Table 3– Lung function parameters, 6-min walk test (6MWT) and health-related quality of life parameters for patients with and without signs of pulmonary hypertension (PH) before and after the rehabilitation programme
ParametersNo signs of PHSigns of PH
AdmissionDischargeChangep-valueAdmissionDischargeChangep-value
Lung function parameters#
PO2 mmHg62±164±12±10.01357±258±21±10.722
PCO2 mmHg38±039±01±00.00341±141±10±10.862
 VC % pred56±257±11±10.04150±252±22±10.007
 TLC % pred66±165±11±10.10562±263±21±10.506
 FEV1 % pred57±158±11±00.00152±253±21±10.267
6MWT and dyspnoea-rating
 6MWD m322±8370±748±3<0.001277±12313±1236±6<0.001
 Dyspnoea-free walk distance m305±9363±858±4<0.001256±14293±1437±7<0.001
 VAS (before exercise)2.9±0.23.1±0.20.2±0.10.1673.8±0.33.6±0.3-0.2±0.30.554
 VAS (after exercise)6.3±0.16.1±0.2-0.2±0.10.2876.9±0.26.9±0.2-0.1±0.20.730
Health status (SF-36)+
 Physical functioning23±126±12±1<0.00121±223±22±10.058
 Bodily pain45±148±13±1<0.00146±148±12±10.060
 Physical role functioning30±132±12±10.01929±130±11±10.162
 General health perceptions33±136±13±1<0.00131±133±12±10.067
 Vitality34±141±17±1<0.00132±140±18±1<0.001
 Social role functioning32±137±15±1<0.00129±236±27±2<0.001
 Emotional role functioning35±137±12±10.11735±239±23±20.115
 General mental health40±145±15±1<0.00140±246±16±1<0.001
 Physical summary score29±132±12±1<0.00128±129±10±10.600
 Mental summary score39±145±16±1<0.00139±246±27±2<0.001
  • Data are presented as mean±sem, unless otherwise stated. PO2: partial oxygen pressure; PCO2: partial carbon dioxide pressure; VC: vital capacity; TLC: total lung capacity; FEV1: forced expiratory volume in 1 s; 6MWD: 6-min walking distance; VAS: visual analogue scale; SF-36: the 36-item short-form health survey. #: n = 402; : n = 369; +: n = 350.