Table 2– Lung function parameters, 6-min walk test (6MWT) and health related quality of life parameters before and after the rehabilitation programme
AdmissionDischargeChangep-value
Lung function parameters#
PO2 mmHg61±163±12±10.012
PCO2 mmHg39±040±01±00.002
 VC % pred54±155±11±00.002
 TLC % pred65±165±10±00.322
 FEV1 % pred55±156±11±0<0.001
6MWT and dyspnoea rating
 6MWD m308±6354±646±3<0.001
 Dyspnoea-free walk distance m291±7343±752±4<0.001
 VAS (before exertion)3.2±0.13.3±0.10.1±0.10.572
 VAS (after exertion)6.5±0.16.3±0.1−0.2±0.10.176
Health status (SF-36)+
 Physical functioning24±129±15±1<0.001
 Bodily pain60±266±27±2<0.001
 Physical role functioning12±217±25±20.009
 General health perceptions29±133±14±1<0.001
 Vitality32±145±113±1<0.001
 Social role functioning52±263±211±2<0.001
 Emotional role functioning49±356±37±30.029
 General mental health58±167±19±1<0.001
 Physical summary score31±137±16±1<0.001
 Mental summary score47±157±110±1<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.