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Morbidity and mortality after ileal pouch-anal anastomosis
| Period | No. of studies | No. of patients | Pelvic sepsis (%, 95%CI) | Pouch failure (%, 95%CI) | Pouchitis (%, 95%CI) | Mortality (%, range) |
| Meta-analysis studies < 2000[32] | 43 | 9317 | 9.5 (8.2-10.9) | 6.8 (5.8-8.4) | 18.8 (15.7-22.4) | - |
| Meta-analysis studies ≥ 2000[33] | 53 | 14966 | 7.5 (6.1-9.1) | 4.3 (3.5-5.3) | 26.8 (21.0-33.5) | 0 (0-2.9) |
