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Patient characteristics
| Total | n = 49 | |
| Mean length of symptoms (months) (range) * | 11.9 (0–120) | |
| Drained abscesses | 25 (51) | |
| Loose seton | 13 (26.5) | |
| Fistulotomy | 3 (6.1) | |
| Fistulectomy | 1 (2) | |
| Internal lateral sphincterotomy | 5 (10.2) | |
| Hemorrhoidectomy | 3 (6.1) | |
| Female | n = 12 | |
| Vaginal deliveries | 6 (0) | |
| Episiotomy | 3 (25) | |
| Hysterectomies | 1 (8,3) | |
Values are expressed as n (%) unless otherwise staed *from diagnosis to surgery
