Subject characteristics
| COPD | Control | |
| Subjects n | 10 | 7 |
| Age yrs | 60±3 | 58±2 |
| Height cm | 168±3 | 174±6 |
| Weight kg | 74±5 | 76±4 |
| BMI kg·m−2 | 26±1 | 25±1 |
| FFM kg | 53±3 | 56±3 |
| FFMI kg·m−2 | 18.8±0.8 | 18.5±0.8 |
| FEV1 L | 1.21± 0.09*** | 3.60±0.26 |
| FEV1 % pred | 41±2*** | 107±5 |
| FEV1/FVC | 51.0±3.4*** | 80.9±2.0 |
| Physical activity score | 7.4±1.2 | 8.7±1.4 |
Data are presented as mean±sem
COPD: chronic obstructive pulmonary disease
BMI: body mass index
FFM: fat-free mass
FFMI: fat-free mass index
FEV1: forced expiratory volume in one second
FVC: forced vital capacity
% pred: per cent predicted
***: p<0.001 versus controls