1. Impact of Comorbidity on Colorectal Cancer Screening in the Veterans Healthcare System 
Deborah A. Fisher, Joseph Galanko, Tara K. Dudley, Nicholas J. Shaheen 
Clinical Gastroenterology and Hepatology 
Volume 5, Issue 8, Pages (August 2007)
DOI: /j.cgh
Copyright © 2007 AGA Institute Terms and Conditions

2. Figure 1
Unadjusted FOBT screening rates by (A) Charlson score, (B) gender, (C) age, (D) race.
Clinical Gastroenterology and Hepatology 2007 5, DOI: ( /j.cgh )
Copyright © 2007 AGA Institute Terms and Conditions

3. Figure 2 Charlson score as a predictor of 1-year mortality.
Clinical Gastroenterology and Hepatology 2007 5, DOI: ( /j.cgh )
Copyright © 2007 AGA Institute Terms and Conditions