Alterations in central hemodynamic in patients with COPD after acute high intensity exercise

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Souto-Miranda, C. Jácome, A. Alves, A. Machado, C. Paixão, A. Oliveira, A. Marques" "autores" => array:7 [ 0 => array:2 [ "nombre" => "S." "apellidos" => "Souto-Miranda" ] 1 => array:2 [ "nombre" => "C." "apellidos" => "Jácome" ] 2 => array:2 [ "nombre" => "A." "apellidos" => "Alves" ] 3 => array:2 [ "nombre" => "A." "apellidos" => "Machado" ] 4 => array:2 [ "nombre" => "C." "apellidos" => "Paixão" ] 5 => array:2 [ "nombre" => "A." "apellidos" => "Oliveira" ] 6 => array:2 [ "nombre" => "A." 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Giannadaki, S. Schiza, G. Vavougios, V. Ladopoulos, N. Tzanakis, N. Siafakas" "autores" => array:6 [ 0 => array:2 [ "nombre" => "K." "apellidos" => "Giannadaki" ] 1 => array:2 [ "nombre" => "S." "apellidos" => "Schiza" ] 2 => array:2 [ "nombre" => "G." "apellidos" => "Vavougios" ] 3 => array:2 [ "nombre" => "V." "apellidos" => "Ladopoulos" ] 4 => array:2 [ "nombre" => "N." "apellidos" => "Tzanakis" ] 5 => array:2 [ "nombre" => "N." "apellidos" => "Siafakas" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2531043720301227?idApp=UINPBA00004E" "url" => "/25310437/0000002700000003/v1_202105020809/S2531043720301227/v1_202105020809/en/main.assets" ] "en" => array:18 [ "idiomaDefecto" => true "cabecera" => "Brief Communication" "titulo" => "Alterations in central hemodynamic in patients with COPD after acute high intensity exercise" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "215" "paginaFinal" => "218" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "M. Behnia, C.M. Wheatley-Guy, B.D. Johnson, A. Avolio, C.-H. Kim" "autores" => array:5 [ 0 => array:3 [ "nombre" => "M." "apellidos" => "Behnia" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "b" "identificador" => "aff0010" ] ] ] 1 => array:3 [ "nombre" => "C.M." "apellidos" => "Wheatley-Guy" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "B.D." "apellidos" => "Johnson" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] 3 => array:3 [ "nombre" => "A." "apellidos" => "Avolio" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "c" "identificador" => "aff0015" ] ] ] 4 => array:4 [ "nombre" => "C.-H." "apellidos" => "Kim" "email" => array:1 [ 0 => "Kim.chulho@mayo.edu" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "*" "identificador" => "cor0005" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Florida Hospital, Orlando, FL, USA" "etiqueta" => "b" "identificador" => "aff0010" ] 2 => array:3 [ "entidad" => "Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW, Australia" "etiqueta" => "c" "identificador" => "aff0015" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author at: Department of Cardiovascular Disease, Mayo Clinic, 200 First street SW, Rochester, MN 55905, USA." ] ] ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 3952 "Ancho" => 1642 "Tamanyo" => 308378 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "The relationships between central diastolic blood pressure and parameters of pulmonary function. Central diastolic blood pressure (cDBP), forced expiratory volume-one second (FEV1), forced expiratory flow between 25% and 75% of FVC (FEF25–75), maximum voluntary ventilation (MVV). a) The relationships between pre-exercise cDBP and pre-exercise FEV1 (r = −0.499, p = 0.01) and post-exercise cDBP and pre-exercise FEV1 (r = −0.484, p = 0.02). b) The relationships between pre-exercise cDBP and pre-exercise FEF25–75 (r = −0.530, p = 0.01) and post-exercise cDBP and pre-exercise FEF25–75 (r = −0.414, p = 0.04). c) The relationships between pre-exercise cDBP and pre-exercise MVV (r = −0.349, p = 0.09) and post-exercise cDBP and pre-exercise MVV (r = −0.493, p = 0.01)." ] ] ] "textoCompleto" => "IntroductionThere is a growing prevalence of chronic obstructive pulmonary disease (COPD) globally and 15.2% of Americans suffer from this disease.<a class="elsevierStyleCrossRef" href="#bib0005">1</a> The lungs and cardiovascular systems are intimately linked and it is well known that smoke inhalation is a major risk factor for vascular disease. In addition, the lungs and heart compete for intrathoracic space and alterations in lung mechanics associated with lung disease – hyperinflation – and shifts in intrathoracic pressure due to lung disease likely also impact central hemodynamics.<a class="elsevierStyleCrossRefs" href="#bib0010">2–4</a> Furthermore, pulmonary vascular remodeling occurs in COPD, which consequently influences pulmonary vascular pressures.<a class="elsevierStyleCrossRefs" href="#bib0025">5,6</a> Therefore, the present study investigated the relationship between lung function and central aortic hemodynamics in COPD, and the response of central aortic hemodynamics to acute exercise.MethodsThe present study was reviewed and approved by Mayo Clinic Institutional Review Board. Twenty-five patients with COPD provided written informed consent and underwent pulmonary function testing (PFT), quality of life questionnaire assessment, as well as quantification of blood pressure (BP) and heart rate (HR). Subsequently, subjects were divided into either a more moderate disease group (MOD) or a mild group (MLD) based on scoring of COPD severity using lung function. Severity score was determined by quantifying lung diffusing capacity for carbon dioxide (DLCO), forced vital capacity (FVC), forced expiratory flow between 25 and 75% of FVC (FEF25−75), forced expiatory volume-one second (FEV1), maximum voluntary ventilation (MVV), and then ranking subjects from 1st (the most severe) to 24th (the least severe) based on percent predicted value for each parameter. The rankings for each of the 5 parameters were then averaged for each subject, and severity status determined by the average rank such that the 1st to 12th ranked subjects were defined as severe (MOD, n = 12) and the 13th to 24th ranked subjects were defined as moderate (MLD, n = 12). <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> demonstrates the subjects’ characteristics.<elsevierMultimedia ident="tbl0005"></elsevierMultimedia>Peripheral systolic blood pressure (pSBP) and diastolic blood pressure (pDBP) was measured manually, while central systolic pressure (cSBP), central diastolic pressure (cDBP), central pulse pressure (cPP), pressure of the incident wave (P1), augmentation pressure (AP), pulse wave velocity (PWV), augmentation index (AIx) were assessed via central arterial pressure waveform analysis (Sphygmocor, AtCor Medical, Australia). All subjects underwent a symptom-limited incremental exercise test on a cycle ergometer and the wattage was increased by 10−15 watts every minute to exertional exhaustion. During exercise, respiratory gas exchange, heart rate (HR), pSBP, pDBP, oxygen saturation (SaO2), rate of perceived exertion (RPE) and dyspnea were assessed. After exercise, subjects were at rest for 20 min before a repeat central hemodynamic assessment was obtained.To examine the relationships between central aortic hemodynamics and pulmonary function measures in all subjects (n = 24), correlation coefficient analysis was conducted. To compare group differences (MOD vs MLD) at pre-exercise, independent t-test and the Mann-Whitney U non-parametric t-test were conducted. To examine an exercise effect, a repeated-measures analysis of variance (ANOVA) was conducted to observe alterations in central hemodynamic parameters from pre- to post-exercise.ResultsEntire groupFrom pre-exercise to post-exercise, COPD (n = 24) demonstrated significant increases in cSBP (pre vs. post, 126.9 ± 19.8 vs. 133.6 ± 15.8, p = 0.01) and cDBP (pre vs. post, 74.8 ± 8.4 vs. 81.5 ± 9.5, p < 0.01) with a significant decrease in pDBP (pre vs. post, 68.2 ± 7.6 vs. 64.9 ± 8.4, p = 0.02). However, other central hemodynamic parameters including AP, PWV and AIx were not altered (p > 0.05). In addition, pulmonary function parameters including FEV1, FEF25−75 and MVV were associated with cDBP at pre- and post-exercise (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>), however, these measures of lung function were not related to cSBP, AP, PWV and AIx (p > 0.05).<elsevierMultimedia ident="fig0005"></elsevierMultimedia>MOD vs MLD groupsAt pre-exercise, the MOD showed higher resting HR and cDBP than the MLD (p = 0.02 and p = 0.01, respectively, <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>). In addition, the MOD showed a trend of higher pDBP (p = 0.08, <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>). However, there was no significant difference between groups in cSBP, cPP, P1, AP, PWV and AIx (p > 0.05). During exercise, the MOD had lower VO2peak (ml/kg/min, p = 0.04) and lower respiratory exchange ratio (RER, p = 0.01) than MLD. In addition, there was a trend that the MOD demonstrated a lower ratio of mixed expired CO2 and end tidal CO2 (PECO2/PETCO2) than the MLD, an index of ventilation distribution (p = 0.09).Post-exercise, COPD (n = 24) showed increases in cSBP and cDBP and a decrease in pDBP, however, this phenomenon was not significantly different between the MOD and the MLD (p > 0.05). In addition, other central hemodynamic parameters including P1, AP, PWV and AIx were not significantly changed or different between groups (p > 0.05).DiscussionEntire groupIn the present study, more impaired pulmonary function was related to a higher cDBP in patients with mild to moderate COPD. This relationship was not altered post exercise. After exercise, cDBP in both patient groups remained higher than pre-exercise, however, pDBP was lower than pre-exercise. These data may suggest that obstructive lung disease is associated with higher cDBP and more hemodynamic challenges arose centrally rather than peripherally after exercise.MOD vs MLD groupsThe MOD had poorer pulmonary function, reduced exercise capacity and a trend of impaired gas exchange (PECO2/PETCO2) relative to the MLD. Additionally, the MOD had a higher cDBP, HR and pDBP than the MLD, but there was no significant difference in AP, PWV and AIx between groups. It is not clear mechanistically the cause of the isolated elevation in cDBP without changes in AP, PWV and AIx. We speculate that central/arterial stiffness might be similar between groups, however, given the higher HR and likely greater degree of obstruction and hyperinflation in the more severe group, i.e., greater mechanical constraint, the coupling of cardiac hemodynamics and cDBP maybe be differentially influenced. However, exercise did not impact differently on alterations in cSBP, cDBP and pDBP between groups.ConclusionsCentral diastolic blood pressure is elevated in COPD patients, linked to disease severity, and remains elevated after exercise-induced reductions in peripheral diastolic blood pressure. However, these observations occurred similarly between mild and more moderate disease.Conflicts of interestThe authors have no conflicts of interest to declare." "textoCompletoSecciones" => array:1 [ "secciones" => array:9 [ 0 => array:3 [ "identificador" => "xres1505800" "titulo" => "Abstract" "secciones" => array:4 [ 0 => array:1 [ "identificador" => "abst0005" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Methods" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusion" ] ] ] 1 => array:2 [ "identificador" => "xpalclavsec1366512" "titulo" => "Keywords" ] 2 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 3 => array:2 [ "identificador" => "sec0010" "titulo" => "Methods" ] 4 => array:3 [ "identificador" => "sec0015" "titulo" => "Results" "secciones" => array:2 [ 0 => array:2 [ "identificador" => "sec0020" "titulo" => "Entire group" ] 1 => array:2 [ "identificador" => "sec0025" "titulo" => "MOD vs MLD groups" ] ] ] 5 => array:3 [ "identificador" => "sec0030" "titulo" => "Discussion" "secciones" => array:2 [ 0 => array:2 [ "identificador" => "sec0035" "titulo" => "Entire group" ] 1 => array:2 [ "identificador" => "sec0040" "titulo" => "MOD vs MLD groups" ] ] ] 6 => array:2 [ "identificador" => "sec0045" "titulo" => "Conclusions" ] 7 => array:2 [ "identificador" => "sec0050" "titulo" => "Conflicts of interest" ] 8 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2020-03-06" "fechaAceptado" => "2020-06-11" "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec1366512" "palabras" => array:3 [ 0 => "COPD" 1 => "Central aortic pressure" 2 => "Lung function" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:3 [ "titulo" => "Abstract" "resumen" => "The present study investigated the relationship between central hemodynamics and lung function and the response to an acute bout of exercise in COPD. MethodsBased on the severity of COPD, moderate group (MOD, n = 12) and more mild group (MLD, n = 12) underwent central hemodynamic assessments pre- and post-peak exercise. ResultsIn the entire cohort (n = 24), central diastolic blood pressure (cDBP) was associated with pulmonary function. Post-exercise, cDBP remained elevated (p < 0.01), however, peripheral diastolic blood pressure (pDBP) was reduced (p = 0.02). Prior to exercise, the MOD showed higher cDBP and heart rate (HR) than the MLD (p = 0.02 and p = 0.01, respectively), but no difference in central aortic/arterial stiffness (p > 0.05). These findings remained similar post-exercise. ConclusionCentral diastolic blood pressure is linked to pulmonary function in COPD and it is elevated after exercise-induced reductions in pDBP. Central diastolic blood pressure is higher in the MOD than the MLD, however, there was no difference in central aortic/arterial stiffness between groups." "secciones" => array:3 [ 0 => array:2 [ "identificador" => "abst0010" "titulo" => "Methods" ] 1 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 2 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusion" ] ] ] ] "multimedia" => array:2 [ 0 => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 3952 "Ancho" => 1642 "Tamanyo" => 308378 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "The relationships between central diastolic blood pressure and parameters of pulmonary function. Central diastolic blood pressure (cDBP), forced expiratory volume-one second (FEV1), forced expiratory flow between 25% and 75% of FVC (FEF25–75), maximum voluntary ventilation (MVV). a) The relationships between pre-exercise cDBP and pre-exercise FEV1 (r = −0.499, p = 0.01) and post-exercise cDBP and pre-exercise FEV1 (r = −0.484, p = 0.02). b) The relationships between pre-exercise cDBP and pre-exercise FEF25–75 (r = −0.530, p = 0.01) and post-exercise cDBP and pre-exercise FEF25–75 (r = −0.414, p = 0.04). c) The relationships between pre-exercise cDBP and pre-exercise MVV (r = −0.349, p = 0.09) and post-exercise cDBP and pre-exercise MVV (r = −0.493, p = 0.01)." ] ] 1 => array:8 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0010" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:3 [ "leyenda" => "Body mass index (BMI), peripheral systolic blood pressure (pSBP), peripheral diastolic blood pressure (pDBP), forced vital capacity (FVC), forced expiratory volume-one second (FEV1), forced expiratory flow between 25% and 75% of FVC (FEF25−75), Maximum voluntary ventilation (MVV) and GOLD disease classification for COPD." "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Parameters \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">The MOD (n = 12) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">The MLD (n = 12) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">t-test \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Demographic \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Age (years) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">66.5 ± 8.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">68.9 ± 9.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.66 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Sex (M/F) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">8 / 4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5 / 7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Height (cm) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">170.5 ± 10.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">166.7 ± 12.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.43 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Weight (kg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">95.3 ± 21.8 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">82.8 ± 17.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.14 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">BMI (kg/m2) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">32.6 ± 5.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">29.8 ± 5.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.25 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Current smoking status (Y/N) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 / 9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0 / 12 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Cardiovascular \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Resting HR (bpm) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">81.3 ± 9.5<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">70.6 ± 8.8<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.02 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">pSBP (mmHg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">122.7 ± 20.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">122.3 ± 10.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.96 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">pDBP (mmHg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">75.8 ± 10.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">69.0 ± 7.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.08 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">cSBP (mmHg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">132.5 ± 17.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">127.5 ± 20.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.53 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">cDBP (mmHg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">87.6 ± 12.8<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">75.0 ± 8.8<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.01 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pulmonary \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">FVC (%predicted) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">70.5 ± 20.4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">80.1 ± 10.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.16 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">FEV1 (%predicted) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">49.8 ± 18.4<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">65.0 ± 7.2<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.01 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">FEV1/FVC \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">56.0 ± 10.4<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">64.6 ± 8.3<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.04 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">FEF25−75 (%predicted) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">22.0 ± 14.9<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">37.3 ± 13.0<a class="elsevierStyleCrossRef" href="#tblfn0005">a</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.01 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">MVV (%predicted) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">41.0 ± 19.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">54.3 ± 12.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.06 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Medications \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Inhaled Beta agonist (n) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Inhaled Anticholinergic (n) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Inhaled steroid (n) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Oral steroid (n) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Questionnaire \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">COPD-GOLD (class I/II/II/IV) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0/3/8/4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1/11/0/0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Quality of life \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">45.8 ± 25.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">40.7 ± 19.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">p = 0.39 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab2586799.png" ] ] ] "notaPie" => array:1 [ 0 => array:3 [ "identificador" => "tblfn0005" "etiqueta" => "a" "nota" => "denotes significant difference at pre-exercise between groups." ] ] ] "descripcion" => array:1 [ "en" => "Subjects characteristics." ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:6 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Global and regional estimates of COPD prevalence: Systematic review and meta-analysis" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "D. Adeloye" 1 => "S. Chua" 2 => "C. Lee" 3 => "C. Basquill" 4 => "A. Papana" 5 => "E. Theodoratou" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:4 [ "tituloSerie" => "J Glob Health" "fecha" => "2015" "volumen" => "5" "numero" => "2" ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0010" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Respiratory symptoms and pulmonary function as predictors of 10-year mortality from respiratory disease, cardiovascular disease, and all causes in the Whitehall Study" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => "K.L. Ebi-Kryston" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/0895-4356(88)90129-1" "Revista" => array:6 [ "tituloSerie" => "J Clin Epidemiol" "fecha" => "1988" "volumen" => "41" "paginaInicial" => "251" "paginaFinal" => "260" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/3339378" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib0015" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Cardiovascular morbidity and mortality in COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => "L. Huiart" 1 => "P. Ernst" 2 => "S. 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Houston" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:5 [ "tituloSerie" => "Resp Med" "fecha" => "2015" "volumen" => "109" "paginaInicial" => "1381" "paginaFinal" => "1390" ] ] ] ] ] ] ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/25310437/0000002700000003/v1_202105020809/S2531043720301409/v1_202105020809/en/main.assets" "Apartado" => array:4 [ "identificador" => "78260" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Brief Communication" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/25310437/0000002700000003/v1_202105020809/S2531043720301409/v1_202105020809/en/main.pdf?idApp=UINPBA00004E&text.app=https://journalpulmonology.org/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2531043720301409?idApp=UINPBA00004E"]

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Alterations in central hemodynamic in patients with COPD after acute high intensity exercise

M. Behniab, C.M. Wheatley-Guya, B.D. Johnsona, A. Avolioc, C.-H. Kima,

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Kim.chulho@mayo.edu

Corresponding author at: Department of Cardiovascular Disease, Mayo Clinic, 200 First street SW, Rochester, MN 55905, USA.

a Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA

b Florida Hospital, Orlando, FL, USA

c Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW, Australia

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          "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">The relationships between central diastolic blood pressure and parameters of pulmonary function&#46; Central diastolic blood pressure &#40;cDBP&#41;&#44; forced expiratory volume-one second &#40;FEV<span class="elsevierStyleInf">1</span>&#41;&#44; forced expiratory flow between 25&#37; and 75&#37; of FVC &#40;FEF<span class="elsevierStyleInf">25&#8211;75</span>&#41;&#44; maximum voluntary ventilation &#40;MVV&#41;&#46; a&#41; The relationships between pre-exercise cDBP and pre-exercise FEV<span class="elsevierStyleInf">1</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;499&#44; p&#8239;&#61;&#8239;0&#46;01&#41; and post-exercise cDBP and pre-exercise FEV<span class="elsevierStyleInf">1</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;484&#44; p&#8239;&#61;&#8239;0&#46;02&#41;&#46; b&#41; The relationships between pre-exercise cDBP and pre-exercise FEF<span class="elsevierStyleInf">25&#8211;75</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;530&#44; p&#8239;&#61;&#8239;0&#46;01&#41; and post-exercise cDBP and pre-exercise FEF<span class="elsevierStyleInf">25&#8211;75</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;414&#44; p&#8239;&#61;&#8239;0&#46;04&#41;&#46; c&#41; The relationships between pre-exercise cDBP and pre-exercise MVV &#40;r&#8239;&#61;&#8239;&#8722;0&#46;349&#44; p&#8239;&#61;&#8239;0&#46;09&#41; and post-exercise cDBP and pre-exercise MVV &#40;r&#8239;&#61;&#8239;&#8722;0&#46;493&#44; p&#8239;&#61;&#8239;0&#46;01&#41;&#46;</p>"
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">There is a growing prevalence of chronic obstructive pulmonary disease &#40;COPD&#41; globally and 15&#46;2&#37; of Americans suffer from this disease&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> The lungs and cardiovascular systems are intimately linked and it is well known that smoke inhalation is a major risk factor for vascular disease&#46; In addition&#44; the lungs and heart compete for intrathoracic space and alterations in lung mechanics associated with lung disease &#8211; hyperinflation &#8211; and shifts in intrathoracic pressure due to lung disease likely also impact central hemodynamics&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#8211;4</span></a> Furthermore&#44; pulmonary vascular remodeling occurs in COPD&#44; which consequently influences pulmonary vascular pressures&#46;<a class="elsevierStyleCrossRefs" href="#bib0025"><span class="elsevierStyleSup">5&#44;6</span></a> Therefore&#44; the present study investigated the relationship between lung function and central aortic hemodynamics in COPD&#44; and the response of central aortic hemodynamics to acute exercise&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Methods</span><p id="par0010" class="elsevierStylePara elsevierViewall">The present study was reviewed and approved by Mayo Clinic Institutional Review Board&#46; Twenty-five patients with COPD provided written informed consent and underwent pulmonary function testing &#40;PFT&#41;&#44; quality of life questionnaire assessment&#44; as well as quantification of blood pressure &#40;BP&#41; and heart rate &#40;HR&#41;&#46; Subsequently&#44; subjects were divided into either a more moderate disease group &#40;MOD&#41; or a mild group &#40;MLD&#41; based on scoring of COPD severity using lung function&#46; Severity score was determined by quantifying lung diffusing capacity for carbon dioxide &#40;DLCO&#41;&#44; forced vital capacity &#40;FVC&#41;&#44; forced expiratory flow between 25 and 75&#37; of FVC &#40;FEF<span class="elsevierStyleInf">25&#8722;75</span>&#41;&#44; forced expiatory volume-one second &#40;FEV<span class="elsevierStyleInf">1</span>&#41;&#44; maximum voluntary ventilation &#40;MVV&#41;&#44; and then ranking subjects from 1st &#40;the most severe&#41; to 24th &#40;the least severe&#41; based on percent predicted value for each parameter&#46; The rankings for each of the 5 parameters were then averaged for each subject&#44; and severity status determined by the average rank such that the 1st to 12th ranked subjects were defined as severe &#40;MOD&#44; n&#8239;&#61;&#8239;12&#41; and the 13th to 24th ranked subjects were defined as moderate &#40;MLD&#44; n&#8239;&#61;&#8239;12&#41;&#46; <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> demonstrates the subjects&#8217; characteristics&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">Peripheral systolic blood pressure &#40;pSBP&#41; and diastolic blood pressure &#40;pDBP&#41; was measured manually&#44; while central systolic pressure &#40;cSBP&#41;&#44; central diastolic pressure &#40;cDBP&#41;&#44; central pulse pressure &#40;cPP&#41;&#44; pressure of the incident wave &#40;P1&#41;&#44; augmentation pressure &#40;AP&#41;&#44; pulse wave velocity &#40;PWV&#41;&#44; augmentation index &#40;AIx&#41; were assessed via central arterial pressure waveform analysis &#40;Sphygmocor&#44; AtCor Medical&#44; Australia&#41;&#46; All subjects underwent a symptom-limited incremental exercise test on a cycle ergometer and the wattage was increased by 10&#8722;15&#8239;watts every minute to exertional exhaustion&#46; During exercise&#44; respiratory gas exchange&#44; heart rate &#40;HR&#41;&#44; pSBP&#44; pDBP&#44; oxygen saturation &#40;SaO<span class="elsevierStyleInf">2</span>&#41;&#44; rate of perceived exertion &#40;RPE&#41; and dyspnea were assessed&#46; After exercise&#44; subjects were at rest for 20&#8239;min before a repeat central hemodynamic assessment was obtained&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">To examine the relationships between central aortic hemodynamics and pulmonary function measures in all subjects &#40;n&#8239;&#61;&#8239;24&#41;&#44; correlation coefficient analysis was conducted&#46; To compare group differences &#40;MOD vs MLD&#41; at pre-exercise&#44; independent <span class="elsevierStyleItalic">t</span>-test and the Mann-Whitney U non-parametric <span class="elsevierStyleItalic">t</span>-test were conducted&#46; To examine an exercise effect&#44; a repeated-measures analysis of variance &#40;ANOVA&#41; was conducted to observe alterations in central hemodynamic parameters from pre- to post-exercise&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Results</span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Entire group</span><p id="par0025" class="elsevierStylePara elsevierViewall">From pre-exercise to post-exercise&#44; COPD &#40;n&#8239;&#61;&#8239;24&#41; demonstrated significant increases in cSBP &#40;pre vs&#46; post&#44; 126&#46;9&#8239;&#177;&#8239;19&#46;8 vs&#46; 133&#46;6&#8239;&#177;&#8239;15&#46;8&#44; p&#8239;&#61;&#8239;0&#46;01&#41; and cDBP &#40;pre vs&#46; post&#44; 74&#46;8&#8239;&#177;&#8239;8&#46;4 vs&#46; 81&#46;5&#8239;&#177;&#8239;9&#46;5&#44; p&#8239;&#60;&#8239;0&#46;01&#41; with a significant decrease in pDBP &#40;pre vs&#46; post&#44; 68&#46;2&#8239;&#177;&#8239;7&#46;6 vs&#46; 64&#46;9&#8239;&#177;&#8239;8&#46;4&#44; p&#8239;&#61;&#8239;0&#46;02&#41;&#46; However&#44; other central hemodynamic parameters including AP&#44; PWV and AIx were not altered &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46; In addition&#44; pulmonary function parameters including FEV<span class="elsevierStyleInf">1</span>&#44; FEF<span class="elsevierStyleInf">25&#8722;75</span> and MVV were associated with cDBP at pre- and post-exercise &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#44; however&#44; these measures of lung function were not related to cSBP&#44; AP&#44; PWV and AIx &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">MOD vs MLD groups</span><p id="par0030" class="elsevierStylePara elsevierViewall">At pre-exercise&#44; the MOD showed higher resting HR and cDBP than the MLD &#40;p&#8239;&#61;&#8239;0&#46;02 and p&#8239;&#61;&#8239;0&#46;01&#44; respectively&#44; <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#46; In addition&#44; the MOD showed a trend of higher pDBP &#40;p&#8239;&#61;&#8239;0&#46;08&#44; <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#46; However&#44; there was no significant difference between groups in cSBP&#44; cPP&#44; P1&#44; AP&#44; PWV and AIx &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46; During exercise&#44; the MOD had lower VO<span class="elsevierStyleInf">2</span>peak &#40;ml&#47;kg&#47;min&#44; p&#8239;&#61;&#8239;0&#46;04&#41; and lower respiratory exchange ratio &#40;RER&#44; p&#8239;&#61;&#8239;0&#46;01&#41; than MLD&#46; In addition&#44; there was a trend that the MOD demonstrated a lower ratio of mixed expired CO<span class="elsevierStyleInf">2</span> and end tidal CO<span class="elsevierStyleInf">2</span> &#40;PECO<span class="elsevierStyleInf">2</span>&#47;PETCO<span class="elsevierStyleInf">2</span>&#41; than the MLD&#44; an index of ventilation distribution &#40;p&#8239;&#61;&#8239;0&#46;09&#41;&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">Post-exercise&#44; COPD &#40;n&#8239;&#61;&#8239;24&#41; showed increases in cSBP and cDBP and a decrease in pDBP&#44; however&#44; this phenomenon was not significantly different between the MOD and the MLD &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46; In addition&#44; other central hemodynamic parameters including P1&#44; AP&#44; PWV and AIx were not significantly changed or different between groups &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46;</p></span></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0055">Discussion</span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0060">Entire group</span><p id="par0040" class="elsevierStylePara elsevierViewall">In the present study&#44; more impaired pulmonary function was related to a higher cDBP in patients with mild to moderate COPD&#46; This relationship was not altered post exercise&#46; After exercise&#44; cDBP in both patient groups remained higher than pre-exercise&#44; however&#44; pDBP was lower than pre-exercise&#46; These data may suggest that obstructive lung disease is associated with higher cDBP and more hemodynamic challenges arose centrally rather than peripherally after exercise&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">MOD vs MLD groups</span><p id="par0045" class="elsevierStylePara elsevierViewall">The MOD had poorer pulmonary function&#44; reduced exercise capacity and a trend of impaired gas exchange &#40;PECO<span class="elsevierStyleInf">2</span>&#47;PETCO<span class="elsevierStyleInf">2</span>&#41; relative to the MLD&#46; Additionally&#44; the MOD had a higher cDBP&#44; HR and pDBP than the MLD&#44; but there was no significant difference in AP&#44; PWV and AIx between groups&#46; It is not clear mechanistically the cause of the isolated elevation in cDBP without changes in AP&#44; PWV and AIx&#46; We speculate that central&#47;arterial stiffness might be similar between groups&#44; however&#44; given the higher HR and likely greater degree of obstruction and hyperinflation in the more severe group&#44; i&#46;e&#46;&#44; greater mechanical constraint&#44; the coupling of cardiac hemodynamics and cDBP maybe be differentially influenced&#46; However&#44; exercise did not impact differently on alterations in cSBP&#44; cDBP and pDBP between groups&#46;</p></span></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Conclusions</span><p id="par0050" class="elsevierStylePara elsevierViewall">Central diastolic blood pressure is elevated in COPD patients&#44; linked to disease severity&#44; and remains elevated after exercise-induced reductions in peripheral diastolic blood pressure&#46; However&#44; these observations occurred similarly between mild and more moderate disease&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Conflicts of interest</span><p id="par0055" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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          "identificador" => "sec0045"
          "titulo" => "Conclusions"
        ]
        7 => array:2 [
          "identificador" => "sec0050"
          "titulo" => "Conflicts of interest"
        ]
        8 => array:1 [
          "titulo" => "References"
        ]
      ]
    ]
    "pdfFichero" => "main.pdf"
    "tienePdf" => true
    "fechaRecibido" => "2020-03-06"
    "fechaAceptado" => "2020-06-11"
    "PalabrasClave" => array:1 [
      "en" => array:1 [
        0 => array:4 [
          "clase" => "keyword"
          "titulo" => "Keywords"
          "identificador" => "xpalclavsec1366512"
          "palabras" => array:3 [
            0 => "COPD"
            1 => "Central aortic pressure"
            2 => "Lung function"
          ]
        ]
      ]
    ]
    "tieneResumen" => true
    "resumen" => array:1 [
      "en" => array:3 [
        "titulo" => "Abstract"
        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">The present study investigated the relationship between central hemodynamics and lung function and the response to an acute bout of exercise in COPD&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Methods</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Based on the severity of COPD&#44; moderate group &#40;MOD&#44; n&#8239;&#61;&#8239;12&#41; and more mild group &#40;MLD&#44; n&#8239;&#61;&#8239;12&#41; underwent central hemodynamic assessments pre- and post-peak exercise&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Results</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">In the entire cohort &#40;n&#8239;&#61;&#8239;24&#41;&#44; central diastolic blood pressure &#40;cDBP&#41; was associated with pulmonary function&#46; Post-exercise&#44; cDBP remained elevated &#40;p&#8239;&#60;&#8239;0&#46;01&#41;&#44; however&#44; peripheral diastolic blood pressure &#40;pDBP&#41; was reduced &#40;p&#8239;&#61;&#8239;0&#46;02&#41;&#46; Prior to exercise&#44; the MOD showed higher cDBP and heart rate &#40;HR&#41; than the MLD &#40;p&#8239;&#61;&#8239;0&#46;02 and p&#8239;&#61;&#8239;0&#46;01&#44; respectively&#41;&#44; but no difference in central aortic&#47;arterial stiffness &#40;p&#8239;&#62;&#8239;0&#46;05&#41;&#46; These findings remained similar post-exercise&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Conclusion</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Central diastolic blood pressure is linked to pulmonary function in COPD and it is elevated after exercise-induced reductions in pDBP&#46; Central diastolic blood pressure is higher in the MOD than the MLD&#44; however&#44; there was no difference in central aortic&#47;arterial stiffness between groups&#46;</p></span>"
        "secciones" => array:3 [
          0 => array:2 [
            "identificador" => "abst0010"
            "titulo" => "Methods"
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          1 => array:2 [
            "identificador" => "abst0015"
            "titulo" => "Results"
          ]
          2 => array:2 [
            "identificador" => "abst0020"
            "titulo" => "Conclusion"
          ]
        ]
      ]
    ]
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      0 => array:8 [
        "identificador" => "fig0005"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr1.jpeg"
            "Alto" => 3952
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        "detalles" => array:1 [
          0 => array:3 [
            "identificador" => "at0005"
            "detalle" => "Figure "
            "rol" => "short"
          ]
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        "descripcion" => array:1 [
          "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">The relationships between central diastolic blood pressure and parameters of pulmonary function&#46; Central diastolic blood pressure &#40;cDBP&#41;&#44; forced expiratory volume-one second &#40;FEV<span class="elsevierStyleInf">1</span>&#41;&#44; forced expiratory flow between 25&#37; and 75&#37; of FVC &#40;FEF<span class="elsevierStyleInf">25&#8211;75</span>&#41;&#44; maximum voluntary ventilation &#40;MVV&#41;&#46; a&#41; The relationships between pre-exercise cDBP and pre-exercise FEV<span class="elsevierStyleInf">1</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;499&#44; p&#8239;&#61;&#8239;0&#46;01&#41; and post-exercise cDBP and pre-exercise FEV<span class="elsevierStyleInf">1</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;484&#44; p&#8239;&#61;&#8239;0&#46;02&#41;&#46; b&#41; The relationships between pre-exercise cDBP and pre-exercise FEF<span class="elsevierStyleInf">25&#8211;75</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;530&#44; p&#8239;&#61;&#8239;0&#46;01&#41; and post-exercise cDBP and pre-exercise FEF<span class="elsevierStyleInf">25&#8211;75</span> &#40;r&#8239;&#61;&#8239;&#8722;0&#46;414&#44; p&#8239;&#61;&#8239;0&#46;04&#41;&#46; c&#41; The relationships between pre-exercise cDBP and pre-exercise MVV &#40;r&#8239;&#61;&#8239;&#8722;0&#46;349&#44; p&#8239;&#61;&#8239;0&#46;09&#41; and post-exercise cDBP and pre-exercise MVV &#40;r&#8239;&#61;&#8239;&#8722;0&#46;493&#44; p&#8239;&#61;&#8239;0&#46;01&#41;&#46;</p>"
        ]
      ]
      1 => array:8 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "detalles" => array:1 [
          0 => array:3 [
            "identificador" => "at0010"
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        "tabla" => array:3 [
          "leyenda" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Body mass index &#40;BMI&#41;&#44; peripheral systolic blood pressure &#40;pSBP&#41;&#44; peripheral diastolic blood pressure &#40;pDBP&#41;&#44; forced vital capacity &#40;FVC&#41;&#44; forced expiratory volume-one second &#40;FEV<span class="elsevierStyleInf">1</span>&#41;&#44; forced expiratory flow between 25&#37; and 75&#37; of FVC &#40;FEF<span class="elsevierStyleInf">25&#8722;75</span>&#41;&#44; Maximum voluntary ventilation &#40;MVV&#41; and GOLD disease classification for COPD&#46;</p>"
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Parameters&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">The MOD &#40;n&#8239;&#61;&#8239;12&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">The MLD &#40;n&#8239;&#61;&#8239;12&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">t</span>-test&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Demographic&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Age &#40;years&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">66&#46;5&#8239;&#177;&#8239;8&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">68&#46;9&#8239;&#177;&#8239;9&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;66&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Sex &#40;M&#47;F&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8 &#47; 4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5 &#47; 7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Height &#40;cm&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">170&#46;5&#8239;&#177;&#8239;10&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">166&#46;7&#8239;&#177;&#8239;12&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;43&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Weight &#40;kg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">95&#46;3&#8239;&#177;&#8239;21&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">82&#46;8&#8239;&#177;&#8239;17&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>BMI &#40;kg&#47;m<span class="elsevierStyleSup">2</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">32&#46;6&#8239;&#177;&#8239;5&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">29&#46;8&#8239;&#177;&#8239;5&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Current smoking status &#40;Y&#47;N&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3 &#47; 9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0 &#47; 12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Cardiovascular&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Resting HR &#40;bpm&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">81&#46;3&#8239;&#177;&#8239;9&#46;5<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">70&#46;6&#8239;&#177;&#8239;8&#46;8<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;02&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>pSBP &#40;mmHg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">122&#46;7&#8239;&#177;&#8239;20&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">122&#46;3&#8239;&#177;&#8239;10&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;96&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>pDBP &#40;mmHg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">75&#46;8&#8239;&#177;&#8239;10&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">69&#46;0&#8239;&#177;&#8239;7&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>cSBP &#40;mmHg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">132&#46;5&#8239;&#177;&#8239;17&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">127&#46;5&#8239;&#177;&#8239;20&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;53&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>cDBP &#40;mmHg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">87&#46;6&#8239;&#177;&#8239;12&#46;8<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">75&#46;0&#8239;&#177;&#8239;8&#46;8<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;01&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pulmonary&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>FVC &#40;&#37;predicted&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">70&#46;5&#8239;&#177;&#8239;20&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">80&#46;1&#8239;&#177;&#8239;10&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>FEV<span class="elsevierStyleInf">1</span> &#40;&#37;predicted&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">49&#46;8&#8239;&#177;&#8239;18&#46;4<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">65&#46;0&#8239;&#177;&#8239;7&#46;2<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;01&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>FEV<span class="elsevierStyleInf">1</span>&#47;FVC&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">56&#46;0&#8239;&#177;&#8239;10&#46;4<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">64&#46;6&#8239;&#177;&#8239;8&#46;3<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;04&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>FEF<span class="elsevierStyleInf">25&#8722;75</span> &#40;&#37;predicted&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&#46;0&#8239;&#177;&#8239;14&#46;9<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37&#46;3&#8239;&#177;&#8239;13&#46;0<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;01&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>MVV &#40;&#37;predicted&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">41&#46;0&#8239;&#177;&#8239;19&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;3&#8239;&#177;&#8239;12&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p&#8239;&#61;&#8239;0&#46;06&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Medications&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Inhaled Beta agonist &#40;n&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Inhaled Anticholinergic &#40;n&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Inhaled steroid &#40;n&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Oral steroid &#40;n&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Questionnaire&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>COPD-GOLD &#40;class I&#47;II&#47;II&#47;IV&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#47;3&#47;8&#47;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#47;11&#47;0&#47;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Quality of life&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;8&#8239;&#177;&#8239;25&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">40&#46;7&#8239;&#177;&#8239;19&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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Article information

ISSN: 25310437
Original language: English

DOI:10.1016/j.pulmoe.2020.06.006

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Year/Month	Html	Pdf	Total

2024 November	8	2	10
2024 October	30	27	57
2024 September	39	38	77
2024 August	43	36	79
2024 July	54	45	99
2024 June	30	23	53
2024 May	36	33	69
2024 April	26	31	57
2024 March	37	23	60
2024 February	25	25	50
2024 January	22	19	41
2023 December	15	21	36
2023 November	34	36	70
2023 October	24	31	55
2023 September	27	33	60
2023 August	26	18	44
2023 July	21	27	48
2023 June	16	21	37
2023 May	31	31	62
2023 April	21	13	34
2023 March	54	21	75
2023 February	34	25	59
2023 January	29	22	51
2022 December	42	28	70
2022 November	67	39	106
2022 October	53	37	90
2022 September	62	37	99
2022 August	83	35	118
2022 July	81	52	133
2022 June	70	39	109
2022 May	58	41	99
2022 April	32	35	67
2022 March	37	50	87
2022 February	44	54	98
2022 January	67	63	130
2021 December	40	30	70
2021 November	36	40	76
2021 October	45	70	115
2021 September	50	43	93
2021 August	47	42	89
2021 July	67	33	100
2021 June	78	70	148
2021 May	129	85	214
2021 April	108	89	197
2021 March	31	45	76
2021 February	29	18	47
2021 January	27	23	50
2020 December	33	18	51
2020 November	17	14	31
2020 October	26	27	53
2020 September	45	40	85
2020 August	82	48	130
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