| Fistula type | Surgical results | Total | ||
| Healing | Intermédiate | Failure | ||
| Simple | 37 (24.3%) | 2 (1.3%) | 7 (4.6%) | 46 (30.3%) |
| Complexe | 43 (28.3%) | 7 (4.6%) | 20 (13.2%) | 70 (46%) |
| Complicated | 14 (9.2%) | 2 (1.3%) | 20 (13.2%) | 36 (23.7%) |
| Total | 94 (61.8%) | 11 (7.2%) | 47 (31%) | 152 (100%) |