How to avoid overtreatment of benign colorectal lesions: Rationale for an evidence-based management

Table 1 Main recent series on the morbidity and mortality of surgery for benign colorectal lesions

Ref.	Year	Country	Data source	N	Mortality (%)	Colostomy/ Ileostomy (%)	Major adverse event (%)	Readmission (%)	Surgical re-intervention (%)
Peery et al[7]	2018	USA	National Inpatient Sample1	12.732	0.7	2.2	14.0	7.8	3.6
Zogg et al[8]	2016	USA	National Inpatient Sample1	68.4622	-	-	14.7	-	1.0
de Neree et al[9]	2019	Netherlands	Systematic Review	139.897	0.7	-	24.0	-	0-8.9
Ma et al[10]	2019	USA	National Inpatient Sample1	262.843	0.8		25.3	-	-

¹All-payer inpatient healthcare database.

²Overall colon surgery (not only colorrectal epithelial lesions): % of adverse events are specific for surgery of benign colorectal lesions.