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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2010 Nov 9;9(4):340–343. doi: 10.1016/j.cgh.2010.10.033

Table 3.

Cumulative Risk of Colorectal Neoplasia Development by Age and Sex

Age (years)
30–39 n=25 40–49 n=30 50–59 n=21 60–69 n=10 70–79 n=5
Males 33% 64% 72% 80% 80%
Females 50% 59% 65% 68% 68%
Combined 43% 61% 67% 72% 72%