Type of anesthesia/Hospitalization/Operative follow-up | Effective | Percentage | |
| Types of anesthesia | Local anesthesia | 177 | 26.8 |
| Locoregional anesthesia | 92 | 13.9 | |
| General anaesthesia | 392 | 59.3 | |
| Hospitalization | Yes | 373 | 56.4 |
| No | 288 | 43.6 | |
Aftermath of surgery | Simple | 633 | 95.8 |
| Wall infection | 21 | 3.2 | |
| Deep infection | 4 | 0.6 | |
| Death | 3 | 0.4 | |
| Total | 661 | 100 | |