Table III. —Estimates of the effect of pulmonary function of GOLD-4 COPD group at four weeks.
| Variables | Study intervention (N.=12) |
Control intervention (N.=9) |
Ρ |
|---|---|---|---|
| 6-minute walking distance (m) * | 472.37±63.71 | 447.44±52.68 | 0.353 |
| mMRC | |||
| mMRC grade 0 N. (%) † | 1 (8.33%) | 0 (0.00%) | 0.227 |
| mMRC grade 1 N. (%) † | 5 (41.67%) | 2 (22.22%) | |
| mMRC grade 2 N. (%) † | 5 (41.67%) | 6 (66.67%) | |
| mMRC grade 3 N. (%) † | 1 (8.33%) | 1 (11.11%) | |
| Spirometry | |||
| FEV1 (L) * | 0.92±0.20 | 0.73±0.12 | 0.018 |
| FEV1%predicted (%) ‡ | 29.30 (25.89, 34.40) | 25.03 (20.70, 26.40) | 0.005 |
| FVC (L) * | 2.34±0.43 | 2.14±0.33 | 0.259 |
| FEV1 / FVC (%) ‡ | 38.90 (34.71, 42.56) | 38.02 (28.39, 39.54) | 0.180 |
| Maxima ventilation volume (L / min) * | 37.05±6.84 | 31.06±5.93 | 0.050 |
| Peak expiratory flow (L / s) * | 2.88±0.81 | 2.81±0.61 | 0.849 |
| PaCO2 (mmHg) ‡ | 43.50 (41.00, 45.15) | 39.80 (37.30, 45.20) | 0.276 |
| PaO2 (mmHg) ‡ | 73.05 (70.45, 79.40) | 79.20 (73.70, 85.80) | 0.431 |
| Diaphragm motion in quiet breathing (cm) * | 2.16±0.62 | 2.37±0.78 | 0.493 |
| Diaphragm motion in deep breathing (cm) * | 4.84±1.17 | 5.23±0.51 | 0.317 |
Data are reported as the mean±standard deviation, or median (25th centile, 75th centile) unless stated otherwise. mMRC: modified Medical Research Council; FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; PaCO2: partial pressure of carbon dioxide; PaO2: partial pressure of oxygen. *Independent t-Test; †Wilkinson Rank Test for non-normally distributed data; ‡χ2 test was used to compare groups. *Independent t-Test; †Wilkinson Rank Test for non-normally distributed data; ‡χ2 test was used to compare groups.