Table 3. Pulmonary function tests after recovery from pneumothorax.
| Variables | N=49 | Recurrence | ||
|---|---|---|---|---|
| Yes (n=15) | No (n=34) | P | ||
| FVC, L | 3.02 (2.64–3.47) | 2.97 (2.56–3.31) | 3.08 (2.65–3.76) | 0.260 |
| FVC, % predicted | 91 [76–100] | 90 [74–96] | 92 [79–102] | 0.304 |
| FEV1, L | 1.58 (1.06–2.19) | 1.20 (0.91–2.01) | 1.77 (1.23–2.29) | 0.165 |
| FEV1, % predicted | 67 [49–95] | 59 [39–97] | 78 [50–95] | 0.233 |
| FEV1/FVC | 0.53 (0.37–0.70) | 0.51 (0.32–0.65) | 0.57 (0.38–0.71) | 0.306 |
| FEV1/FVC <0.7 | 37 (75.5) | 12 (80.0) | 25 (73.5) | – |
Data are presented as number (%) or the median (interquartile range). FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second.