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| Fistula Type | Number of Fistulas | Locations of Abscesses | ||
|---|---|---|---|---|
| Intersphincteric | Ischioanal | Supralevator | ||
| Intersphincteric | 30 | 10 | ||
| Transsphincteric | 19 | 3 | ||
| Suprasphincteric | 2 | 1 | 1 | |
| Extrasphincteric | 5 | 1 | 1 | |
| Total | 56 | 10 | 5 | 2 |
