Surgical treatment of ulcerative colitis: Ileorectal vs ileal pouch-anal anastomosis

Table 2 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)