Table 2.

Estimated Rates of Colonoscopy Quality Outcomes Using Random Effects Modeling

Study, YearEstimated Adenoma Detection Rate (95% CI)Estimated Adenocarcinoma Detection Rate (95% CI)Estimated Reach-the-Cecum Rate (All Patients) (95% CI)PerforationsaBleeding Not Requiring Transfusiona
CI=confidence intervals.
Note: rates and 95% CIs calculated using random effect model.
a Raw data shown.
b Additional information about this study was provided by the author.
Godreau,24 199251.7 (44.0– 59.3)2.2 (0.9– 5.7)83.2 (76.6– 88.2)00
Rodney et al,25 19938.8 (6.1– 12.5)2.0 (0.9– 4.2)48.7 (43.1– 54.4)00
Hopper et al,26 199643.7 (40.7– 46.7)Not reported74.8 (72.1– 77.3)00
Harper et al27, 199720.9 (16.8– 25.8)3.5 (2.0– 6.1)87.1 (82.9– 90.4)00
Pierzchajio et al,28 199724.7 (21.7– 27.9)0.6 (0.3– 1.4)91.4 (89.2– 93.2)00
Carr et al,29 199833.4 (27.9– 39.5)1.9 (0.8– 4.2)82.2 (77.0– 86.4)01
Kirby,30 200416.8 (14.0– 19.9)2.3 (1.4– 3.8)80.1 (76.8– 83.1)00
Edwards and Norris,31 200422.8 (17.6– 29.0)2.3 (1.0– 5.2)96.1 (92.4– 98.0)00
Newman et al,32 200532.5 (29.2– 36.0)0.9 (0.5– 1.9)92.7 (90.6– 94.4)01
Strayer,33 2005b51.3 (45.1– 57.3)0.8 (0.3– 2.6)94.6 (91.1– 96.7)00
Cotterill et al,34 200523.9 (19.6– 28.8)0.7 (0.2– 2.2)94.0 (90.9– 96.1)00
Lloyd,35 2006b38.0 (37.2– 38.8)5.0 (4.6– 5.4)98.4 (98.2– 98.6)32
Total28.9 (20.4– 39.3)1.7 (0.9– 3.0)89.2 (80.1– 94.4)34