Volume 143, Issue 2, Pages 382-389 (August 2012) Incidence and Mortality of Colorectal Adenocarcinoma in Persons With Inflammatory Bowel Disease From 1998 to 2010  Lisa J. Herrinton, Liyan Liu, Theodore R. Levin, James E. Allison, James D. Lewis, Fernando Velayos  Gastroenterology  Volume 143, Issue 2, Pages 382-389 (August 2012) DOI: 10.1053/j.gastro.2012.04.054 Copyright © 2012 AGA Institute Terms and Conditions

Figure 1 Age- and sex-standardized incidence rates (per 100,000 person-years) of colorectal adenocarcinoma in the general Kaiser Permanente membership and in members with CD or UC, 1998–June, 2010. Mass screening for CRC increased from 39% in 2005 to 70% in 2010 in the general Kaiser Permanente population.23 Gastroenterology 2012 143, 382-389DOI: (10.1053/j.gastro.2012.04.054) Copyright © 2012 AGA Institute Terms and Conditions

Figure 2 Time trends in medication use among IBD patients. Immune modulator included azathiopurine and 6-mercaptopurine; methotrexate was not prescribed for IBD in the Kaiser Permanente population. Anti-TNF included infliximab and adalimumab. Months of drug use per person-year of follow-up was adjusted for age, gender, Charlson comorbidity index (coded 0, 1, 2+ conditions), number of inpatient hospitalizations, and number of outpatient visits. Gastroenterology 2012 143, 382-389DOI: (10.1053/j.gastro.2012.04.054) Copyright © 2012 AGA Institute Terms and Conditions

Figure 3 Time trends in CRC detection among IBD patients. Colonoscopy was defined using CPT codes 45378–45385; HCPCS codes G0105, G0121; and ICD9 codes 45.22, 45.23, 45.25, 45.42, 45.43, V76.41, V76.50, V76.51. Sigmoidoscopy was defined using CPT codes 45300–45339. Gastroenterology 2012 143, 382-389DOI: (10.1053/j.gastro.2012.04.054) Copyright © 2012 AGA Institute Terms and Conditions