Baseline characteristics of patients and controls
| Control patients | Steroid trial | Healthy controls | |
| Subjects n | 15 | 25 | 103 |
| Age yrs | 68.1±8.2 | 62.2±9 | 61.8±8.5 |
| Height cm | 166±9 | 171±8 | 169±9 |
| Weight kg | 65.9±12 | 65.7±14 | 70.5±15 |
| BMI kg·m−2 | 24.0±3.6 | 22.8±5.7 | 24.7±4.0 |
| FFM kg | 44.6±7.1 | 45.5±5.9 | 49.7±12.2* |
| FFMI kg·m−2 | 16.3±2.1 | 15.7±2.0 | 17.3±2.8* |
| FEV1 L | 0.81±0.3 | 1.03±0.5 | 2.76±0.6* |
| FEV1 % pred | 33.8±15.1 | 37.6±21.4 | 103.2±14.6* |
| TL,CO % pred | 36.5±12.8 | 34.7±16.5 | |
| TwQu kg | 8.1±2.7 | 9.5±3.1 | |
| QuMVC kg | 28.8±9.1 | 30.7±9.6 | 44.9±12.9* |
Data are presented as n and mean±sd
Comparisons between patient groups are all p>0.05
BMI: body mass index
FFM: fat free mass
FFMI: FFM index
FEV1: forced expiratory volume in one second
TL,CO: carbon monoxide diffusing capacity
TwQu: twitch quadriceps force
QuMVC: quadriceps maximum voluntary contraction
*: p<0.05 for healthy control versus steroid trial group