Table 1.

Harms Study Characteristics

Study IDYearStudy TypeMean Age/Age MinimumType of ColonoscopyPercent Polypectomy (If Reported)Perforations /10,000 ColonoscopiesSevere Bleeding/10,000 ColonoscopiesCardiovascular Adverse Events/10,000 Colonoscopies
Bokemeyer442009Prospective>55ScreeningNot reported2.0416.4212.0
Bretthauer232016Retrospective60Screening48.10%0.8014.32Not reported
Causado-Calo262020Retrospective>50ScreeningNot reported5.040.070.0
Rabeneck252008Retrospective60.9Screening24%5.5614.11Not reported
Zwink292017Prospective61Screening12%19.0489.49Not reported
Zafar262014Retrospective76.7ScreeningNot reported12.13165.61113.0