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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Gastroenterol Clin North Am. 2013 Sep;42(3):599–618. doi: 10.1016/j.gtc.2013.05.005

Table 2.

Adenoma detection rate and confidence intervals

Adenoma detection rate
# of colonoscopies 15% 20% 25% 30% 35% 40%
100 8–22 12–28 17–33 21–39 26–44 30–50
500 12–18 16–24 21–29 26–34 31–39- 36–44
1000 13–17 18–22 22–28 27–33 32–38 37–43