Table 2.
Main clinical features and pulmonary function tests before and after pulmonary rehabilitation (PR) in 189 post-acute COVID-19 patients.
| Before PR | After PR | p-Value | |
|---|---|---|---|
| PaO2, mmHg | 73.48 ± 14.98 | 80.91 ± 14.20 | <0.001 |
| PaCO2, mmHg | 36.18 ± 5.37 | 36.94 ± 3.64 | 0.002 |
| pH | 7.45 ± 0.05 | 7.43 ± 0.04 | <0.001 |
| FEV1, L | 2.34 ± 0.76 | 2.65 ± 0.75 | <0.001 |
| FEV1%, % predicted | 76.66 ± 19.78 | 84.51 ± 17.69 | <0.001 |
| FVC, L | 2.84 ± 0.96 | 3.19 ± 0.90 | <0.001 |
| FVC%, %predicted | 74.34 ± 19.82 | 81.73 ± 16.77 | <0.001 |
| FEV1 / FVC | 81.88 ± 9.70 | 81.15 ± 9.52 | <0.001 |
| RV, L | 1.36 ± 0.73 | 1.43 ± 0.86 | 0.123 |
| TLC, L | 4.58 ± 1.35 | 5.82 ± 1.27 | 0.017 |
| DLCO, mL/min/mmHg | 10.71 ± 7.43 | 10.17 ± 8.15 | 0.002 |
| DLCO%, % predicted | 55.02 ± 19.40 | 61.13 ± 20.98 | <0.001 |
| 6MWD, meters | 156.41 ± 123.83 | 304.32 ± 135.67 | <0.001 |
| CAT | 26.68 ± 3.25 | 9.51 ± 4.66 | <0.001 |
| Barthel | 67.96 ± 29.68 | 94.34 ± 13.10 | <0.001 |
PaO2, arterial oxygen tension; PaCO2, arterial carbon dioxide tension; pH, power of hydrogen; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; RV, residual volume; TLC, total lung capacity; DLCO, diffusion lung of carbon monoxide; 6MWD, 6-min walk distance; CAT, COPD Assessment Test. Data are presented as mean ± standard deviation unless otherwise indicated.