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Relationship between perianal sepsis and secondary anal fistula
| Abscess location | Total | Superficial fistula | Low intersphincteric fistula | High intersphincteric fistula | Low trans-sphincteric fistula | High trans-sphincteric fistula | Supra-sphincteric fistula | Extrasphincteric fistula | P-value |
|---|---|---|---|---|---|---|---|---|---|
| Superficial perianal | 31 | 0 | 10 | 3 | 14 | 0 | 2 | 2 | 0.177 |
| Deep postanal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Ischiorectal | 14 | 0 | 2 | 2 | 7 | 1 | 2 | 0 | |
| Intersphincteric | 8 | 0 | 1 | 2 | 4 | 1 | 0 | 0 | |
| Supralevator | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
| Total | 55 | 0 | 13 | 8 | 25 | 2 | 4 | 3 |
