Males | 42.4% |
Age (SD) | 66 (11) |
Current smoker | 30% |
BMI (SD) | 26 (6) |
FEV1 (SD) | 1.25 (0.64) |
FEV1% (SD) | 53 (27.4) |
FVC (SD) | 2.28 (0.85) |
Ratio (SD) | 53.8 (15.6) |
MRC 3 and 4 | 53.8% |
O2 saturation | 93.3 (4.9) |
BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.