Table 1.
Characteristics of subjects (n=41)
| Age (years) | 75 (68–79) |
| Sex, male | 36 (87.8%) |
| BMI (kg/m2) | 22.3 (19.4–23.8) |
| Pack-years | 50 (36–80) |
| Medications | |
| LABA | 30 (73.2%) |
| LAMA | 32 (78.0%) |
| ICS | 20 (48.8%) |
| FVC (% predicted) | 101.6 (88.5–120.4) |
| FEV1 (% predicted) | 54.8 (39.8–77.6) |
| FEV1/FVC (%) | 48.1 (34.0–58.2) |
| DLCO (% predicted) | 78.6 (58.7–108.5) |
| SpO2 at rest (%) | 96.0 (95.0–97.0) |
Note: Data are presented as the median with the interquartile range, or number (%).
Abbreviations: BMI, body mass index; DLCO, diffusing capacity of the lung for carbon monoxide; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; ICS, inhaled corticosteroid; LABA, long-acting β2 agonist; LAMA, long-acting muscarinic antagonist; SpO2, peripheral oxygen saturation.