Table 2. Comparison of baseline characteristics according to sex.
| Characteristic | Male | Female |
|---|---|---|
| Age, yr | 41.1±16.4 | 47.4±13.1 |
| Heights, cm | 171.9±6.5 | 157.9±5.9 |
| Body weight, kg | 72.5±11.2 | 58.8±9.0 |
| FVC, L | 4.6±0.6 | 3.2±0.5 |
| FVC, % predicted | 96.3±10.2 | 97.3±13.5 |
| FEV1, L | 3.8±0.6 | 2.6±0.4 |
| FEV1, % predicted | 96.3±8.9 | 97.3±13.5 |
| Hb, g/dL | 15.7±1.3 | 13.3±1.1 |
| DLco, mL/mm Hg/min | 27.1±5.0 | 18.3±3.7 |
| VA, L | 5.7±0.7 | 4.1±0.6 |
Values are presented as mean±SD. FVC: forced vital capacity; FEV1: forced expiratory volume in 1 second; Hb: hemoglobin; DLco: diffusing capacity of lung for carbon monoxide; VA: alveolar volume.