Table 1.
Baseline demographic data and clinical characteristics of patients
| Characteristics | All patients |
|---|---|
| Male/female | 126/35 |
| Age, years | 68.54 (7.43) |
| BMI, kg/m2 | 20.55 (3.65) |
| SaO2, % | 90.44 (4.68) |
| pH | 7.39 (0.04) |
| PaCO2, mmHg | 58.10 (5.65) |
| PaO2, mmHg | 65.84 (16.04) |
| FVC, L | 1.54 (0.52) |
| FVC, % predicted | 52.01 (15.43) |
| FEV1, L | 0.55 (0.17) |
| FEV1, % predicted | 25.63 (9.59) |
| FEV1/FVC, % | 37.99 (13.00) |
Note: Data are mean (SD), unless otherwise stated.
Abbreviations: SD, standard deviation; BMI, body mass index; SaO2, arterial oxygen saturation; PaCO2, arterial carbon dioxide pressure; PaO2, arterial oxygen pressure; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second.