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Perioperative risk factors
| Factor | Symptom free | Recurrence | p value |
|---|---|---|---|
| Age, years | |||
| ≤ 70 | 25 | 4 | 0.3694 |
| > 70 | 8 | 3 | |
| Sex | |||
| Male | 16 | 6 | 0.1048 |
| Female | 17 | 1 | |
| Type of anastomosis | |||
| Stapled | 29 | 4 | 0.0877 |
| HS | 4 | 3 | |
| Anastomosis level (cm, AAV) | |||
| ≥ 8 | 9 | 1 | 0.656 |
| < 8 | 24 | 6 | |
| Radiation therapy | |||
| Yes | 9 | 4 | 0.1866 |
| No | 24 | 3 | |
| Ostomy | |||
| Yes | 22 | 5 | 1.0000 |
| No | 11 | 2 | |
| Anastomotic leakage | |||
| Yes | 3 | 1 | 0.5522 |
| No | 30 | 6 | |
HS hand-sewn, AAV above the anal verge
