| COPD | SD | non-COPD | SD |
---|---|---|---|---|
Gender | 5/2 (M/F) | - | 4/1 (M/F) | - |
AGE, years | 62.57 | 7.41 | 66.60 | 2.70 |
BMI (%) | 24.55 | 2.13 | 26.70 | 1.09 |
FEV1 (%predicted) | 67.46 | 22.84 | 94.82 | 24.09 |
FEV1/FVC (%)a | 54.83 | 9.20 | 75.51 | 4.49 |
Smoking history (never smoker/ex-/current smoker) | -/2/3b | - | 1/3/1 | - |