Table 7. Comparison of the frequency of postoperative complications between the TH and TS groups of the matched cohort.
| Postope. complication | TH (N=190) | TS (N=190) | P value |
|---|---|---|---|
| Grade II | 18 (9.5) | 6 (3.2) | |
| Grade III | 7 (3.7) | 11 (5.8) | |
| Grade IV | 0 (0) | 0 (0) | |
| Grade V | 0 (0) | 0 (0) | |
| Total (≥ Grade II) | 25 (13.2) | 17 (8.9) | 0.2519 |
TH, thoracotomy; TS, thoracoscopic surgery.