Table 1.
Participants’ demographic, anthropometric, and clinical data.
| Characteristic | Healthy individuals | Individuals with COPD |
|---|---|---|
| Sex | 50M/50W | 7M/ 8 W |
| Age (years) | 25 ± 4 | 69 ± 8 |
| BMI (kg/m2) | 23.80 ± 3.0 | 25.26 ± 4.9 |
| FEV1 (L) | 3.73 ± 0.7 | 1.33 ± 0.53 |
| FEV1 (% predicted) | 96.80 ± 8.4 | 54.89 ± 23.58 |
| FVC (% predicted) | 97.25 ± 8.5 | 74.93 ± 19.7 |
| FEV1/FVC | 0.84 ± 0.1 | 0.55 ± 0.15 |
Data are expressed as mean ± standard deviation, except for sex which is the number of males (M) and females (W). Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in first second; FVC, forced vital capacity; FEV1/FVC, ratio of FEV1 to FVC.