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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Acad Radiol. 2010 Jun 12;17(8):948–959. doi: 10.1016/j.acra.2010.03.024

Table 3.

Sensitivity for polyp detection by radiologists on both supine and prone scans for single-mark and double-mark CAD true positive presentation

Reader Single-mark (n=21) Double-mark (n=21) P
1 5
24%		 12
57%		 0.06
2 5
24%		 14
67%		 0.01
3 14
67%		 18
86%		 0.3
4 11
52%		 9
43%		 0.8
Average 42% [33%, 51%] 63% [54%, 72%] 0.002

Numbers are polyps (%) detected by radiologists on both supine and prone scans.

P-values are from Fisher exact test for the individual readers and three-factor ANOVA for the average reader. 95% confidence intervals are given for the sensitivities for the average reader.