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. 2003 Feb;18(2):128–137. doi: 10.1046/j.1525-1497.2003.20524.x

Table 2.

Absolute and Relative Risks of Proximal Neoplasia in Screening Studies

Distal Findings Number of Studies Total Number of Patients Absolute Risk of Proximal Neoplasia, % (95% CI) Relative Risk of Proximal Neoplasia, % (95% CI)
No polyp 4 557 16 (13 to 20) Reference group
Hyperplastic polyps 10 500 25 (21 to 29) 1.3 (0.9 to 1.8)
Adenomatous polyps 10 789 36 (32 to 39) 2.5 (1.8 to 3.3)

CI, confidence interval.