1. Fewer Polyps Detected by Colonoscopy as the Day Progresses at a Veteran's Administration Teaching Hospital 
Michael Y. Chan, Hartley Cohen, Brennan M.R. Spiegel 
Clinical Gastroenterology and Hepatology 
Volume 7, Issue 11, Pages (November 2009)
DOI: /j.cgh
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2. Figure 1
Mean number of histologically confirmed polyps per patient by time period. Each bar depicts the proportion of hyperplastic vs adenomatous polyps identified by time period. There is a graded decrease in the mean number of polyps per patient as the endoscopic work shift progresses (P = .03). There is no significant difference in the proportion of adenomatous vs hyperplastic polyps removed (P = .24).
Clinical Gastroenterology and Hepatology 2009 7, DOI: ( /j.cgh )
Copyright © 2009 AGA Institute Terms and Conditions