Racial differences in disease phenotypes in patients with Crohn's disease

Inflammatory Bowel Diseases
Raymond K CrossMary-Claire Roghmann

Abstract

Our objectives were to assess the differences in perforating disease behavior, disease severity, and extraintestinal manifestations (EIM) in patients with Crohn's disease (CD) by race. We identified outpatients with CD evaluated at the University of Maryland Gastroenterology Faculty Practice office or the Baltimore Veterans Affairs Maryland Health Care System, from 1997 to 2005. We assessed age at diagnosis, disease behavior, disease location, need for surgery and EIM. Race was not associated with perforating disease behavior (relative risk [RR] 0.79, 95% confidence interval [CI] 0.46-1.35), need for surgery (RR 0.89, 95% CI 0.56-1.12), and EIM of CD (RR 0.77, 95% CI 0.46-1.27). White patients were significantly more likely to have ileal disease, whereas African American patients were significantly more likely to have ileocolonic and colonic disease. Age at diagnosis younger than 40 years (odds ratio [OR] 4.41, 95% CI 1.84-10.56) and ileocolonic disease (OR 2.39, 95% CI 1.24-4.63) were independent risk factors for perforating disease behavior. Similarly, age at diagnosis younger than 40 (OR 2.79, 95% CI 1.45-5.33), ileal disease (OR 3.76, 95% CI 1.66-8.48), and ileocolonic disease (OR 2.57, 95% CI1.21-5.46) were associated with...Continue Reading

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