Baseline characteristics
| Demographics | |
| Sex (F/M) | 9/3 |
| Age (years) | 65.2 (9.6) |
| Height (cm) | 165.5 (9.8) |
| Weight (kg) | 71.2 (8.8) |
| BMI (kg/cm2) | 26.1 (3.0) |
| Fat mass (%) | 36.8 (10.1) |
| Pack-years | 49.1 (20.0) |
| Lung function | |
| FEV1 (L) | 1.6 (0.6) |
| FEV1 (%pred) | 60.7 (13.4) |
| FVC (L) | 3.2 (1.0) |
| FVC (%pred) | 93.8 (9.9) |
| FEV1/FVC | 0.5 (0.1) |
| FEV1/FVC (%pred) | 58.4 (20.7) |
| TLC (L) | 6.5 (1.6) |
| TLC (%pred) | 120.2 (19.6) |
| RV (L) | 3.4 (0.9) |
| RV (%pred) | 163.5 (38.0) |
| DLCOc (mmol/min/kPa) | 4.6 (1.7) |
| DLCOc (%pred) | 58.0 (13.2) |
| CPET | |
| V̇O2peak (mL/min) | 1395 (488) |
| V̇O2peak (mL/min/kg) | 19.7 (7.4) |
| Wmax (W) | 88.7 (35.8) |
Data are reported as mean (SD).
bmi, body mass index; CPET, cardiopulmonary exercise test; DLCOc, diffusing capacity for carbon monoxide corrected for haemoglobin; F, female; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; M, male; RV, residual volume; TLC, total lung capacity; V̇O2peak, peak oxygen consumption; Wmax, maximal work load (in watt).