| Group | No. | Wound infection | Postoperative bleeding | Pleural effusion | Overall incidence rate (%) |
| Study group | 42 | 1 (2.38%) | 1 (2.38%) | 0 (0.00%) | 2 (4.76%) |
| Regular group | 43 | 4 (9.30%) | 3 (6.98%) | 1 (2.38%) | 8 (19.05%) |
| χ2 |
|
|
|
| 3.922 |
| P |
|
|
|
| 0.048 |