1. Prevalence of Adenomas and Colorectal Cancer in Average Risk Individuals: A Systematic Review and Meta-analysis 
Steven J. Heitman, Paul E. Ronksley, Robert J. Hilsden, Braden J. Manns, Alaa Rostom, Brenda R. Hemmelgarn 
Clinical Gastroenterology and Hepatology 
Volume 7, Issue 12, Pages (December 2009)
DOI: /j.cgh
Copyright © 2009 AGA Institute Terms and Conditions

2. Figure 1 Article flow diagram.
Clinical Gastroenterology and Hepatology 2009 7, DOI: ( /j.cgh )
Copyright © 2009 AGA Institute Terms and Conditions

3. Figure 2
Forest plots of (A) Overall adenoma prevalence (random effects model); (B) Colon cancer prevalence (random effects model); (C) nonadvanced adenoma prevalence (fixed effects model); and (D) advanced adenoma prevalence (random effects model). Please note that the sum of nonadvanced and advanced adenoma prevalence does not equal overall adenoma prevalence as different combinations of studies were pooled for each estimate.
Clinical Gastroenterology and Hepatology 2009 7, DOI: ( /j.cgh )
Copyright © 2009 AGA Institute Terms and Conditions