| Control | Exercise | |
| Age (y) | 67 (13) | 70 (8) |
| FVC (%pred) | 75 (25) | 77 (24) |
| Tlco (%pred) | 49 (18) | 50 (19) |
| TLC (%pred) (n = 49) | 76 (22) | 76 (17) |
| RVSP (mm Hg) (n = 43) | 38 (13) | 37 (15) |
| 6MWD (m) | 395 (139) | 375 (116) |
| Vo2peak (%pred) (n = 52) | 58 (15) | 55 (19) |
| MRC dyspnoea | 3 (1) | 3 (1) |
Data are mean (SD).
Data from all 57 subjects except where indicated.
6MWD, 6 min walk distance; %pred, per cent predicted; FVC, forced vital capacity; MRC, modified Medical Research Council dyspnoea scale; RVSP, right ventricular systolic pressure; TLC, total lung capacity; Tlco, diffusing capacity for carbon monoxide; Vo2 peak, peak oxygen uptake.