Baseline characteristics of the participants
| Characteristics | Participants (n=70) |
|---|---|
| Age, years | |
| Mean | 66.1±9.0 |
| Range | 35–80 |
| BMI, kg/m2 | 24.8±4.8 |
| Health condition | |
| COPD, N (%) | 26 (37) |
| Heart disease, N (%) | 20 (29) |
| Surgery procedure | |
| Wedge/lobectomy/pneumonectomy, n/n/n | 2/56/12 |
| Thoracotomy/VATS, n/n | 59/11 |
| Pulmonary function and physical characteristics | |
| FEV1, % of predicted | 88.4±22.4 |
| DLCO, % of predicted | 80.6±20.9 |
| V̇O2peak, % of predicted | 80.6±16.4 |
| V̇O2peak, mL/kg/min | 23.9±5.8 |
Data are presented as mean±SD or No. (%)
BMI, body mass index, calculated as body mass in kilogram divided by height in metres squared; COPD, chronic obstructive pulmonary disease; Def COPD, FEV1/FVC<70% and FEV1<80% of predicted25; DLCO, carbon monoxide lung diffusion capacity; FEV1, forced expiratory volume after 1 s; VATS, video assisted thoracic surgery; V̇O2peak, peak oxygen uptake.