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Patients characteristics and outcome
| N = 50 | |
|---|---|
| Age | 38 (21–70) |
| Sex m:f | 41:9 |
| Patient history | |
| Anal surgery | 18 |
| Birth trauma | 8 |
| IBS type C (constipation) | 8 |
| IBS type M | 2 |
| Haemorrhoids grade III | 8 |
| Severe perianal dermatitis | 11 |
| Defects of the internal anal sphincter | 15 (30%) |
| Degeneration of the internal anal sphincter | 19 (38%) |
