Original Paper Digestion 2013;87:170–175 DOI: 10.1159/000348653 A Direct Comparison of the Prevalence of

cancer were 0.29 (0.24–0.36) for post-ad, 0.81 (0.61–1.07) for post-crc, and 2.77 (2.43–3.17) for positive FOBT. Conclusion: Colonoscopy for post-ad surveillance but not colonoscopy for post-crc surveillance is associated with a lower risk of di-agnosis of advanced adenoma and cancer. Copyright © 2013 S. Karger AG, Base