Table 1.
Demographic and clinical data of all patients
| Characteristics | Study participants (n = 36) |
|---|---|
| Age (years; mean ± SD) | 60.5 ± 14.3 |
| Gender male (n): female (n) | 19: 17 |
| Oxygen insufflation (L/min; mean ± SD) | 1.9 ± 1.4 |
| FEV1 (% predicted; mean ± SD) | 29.9 ± 13.3 |
| FEV1%FVC (predicted; mean ± SD) | 54.1 ± 17.5 |
| Rtot (% predicted; mean ± SD) | 346.9 ± 153.5 |
| TLC (% predicted; mean ± SD) | 111.6 ± 21.3 |
| RV (% predicted; mean ± SD) | 210.3 ± 78.3 |
| RV%TLC (% predicted; mean ± SD) | 183.4 ± 40.2 |
| pH (mean) | 7.4029 ± 0,039 |
| PO2 (mmHg; mean ± SD) | 66.3 ± 18.4 |
| PCO2 (mmHg; mean ± SD) | 58.9 ± 9.8 |
FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, Rtot resistance, RV residual volume, TLC total lung capacity, SD standard deviation