| Fistulas Size | Number | Percentage (%) |
| Small (<2 cm) | 71 | 74.7 |
| Medium (2 - 3 cm) | 16 | 16.8 |
| Large (4 - 5 cm) | 7 | 7.4 |
| Extensive (>6 cm) | 1 | 1.1 |
| Total | 95 | 100 |