Baseline characteristics.
| Sex M/F | 10/1 |
| Age yrs | 69±6 |
| BMI kg.m-2 | 27±7 |
| FEV1 % pred | 42±12 |
| TL,CO %pred | 59±19 |
| 6MWT % pred | 74±18 |
| QF % pred | 74±11 |
| Wmax % pred | 54±17 |
| V′O2,max % pred | 64±33 |
| V′E,max %MVV | 92±26 |
| fC,max % pred | 79±15 |
Data are presented as mean±sd. M: male; F: female; BMI: body mass index; FEV1: forced expiratory volume in one second; TL,CO: diffusion capacity for carbon monoxide; 6MWT: 6-min walk test; QF: quadriceps force; Wmax: baseline maximal workload; V′O2,max: baseline maximum oxygen uptake; V′E,max: baseline maximum minute ventilation; MVV: maximal voluntary ventilation; fC,max: baseline maximum heart rate.