Table III.
Risk factors of extensive subcutaneous emphysema
| Variables | OR | 95% CI | P-value | |
|---|---|---|---|---|
| Lower | Upper | |||
| BMI | 0.923 | 0.836 | 1.020 | 0.117 |
| FEV1 | 0.989 | 0.967 | 1.012 | 0.363 |
| FEV1/FVC | 0.959 | 0.927 | 0.992 | 0.015 |
| DLCO | 0.992 | 0.976 | 1.008 | 0.306 |
| Time of operation | 1.001 | 0.990 | 1.012 | 0.861 |
| Intraoperative blood loss | 1.007 | 0.998 | 1.015 | 0.132 |
| History of lung surgery: | ||||
| No | Reference | |||
| Yes | 0.960 | 0.213 | 4.329 | 0.958 |
| Surgical approach: | ||||
| Wedge resection | Reference | |||
| Segmentectomy | 3.130 | 1.055 | 9.283 | 0.040 |
| Lobectomy | 4.487 | 1.704 | 11.812 | 0.002 |
| Sleeve lobectomy | 4.089 | 0.428 | 39.063 | 0.221 |
| Pleural adhesion: | ||||
| None | Reference | |||
| Minimal | 2.115 | 0.587 | 7.618 | 0.252 |
| Extensive | 4.514 | 1.763 | 11.556 | 0.002 |
BMI – body mass index, FVC – forced vital capacity, FEV1 – forced expiratory volume in 1 s, DLCO – diffusing capacity of the lungs for carbon monoxide, OR – odds ratio, CI – confidence interval.