Incidence of Crohn disease in the Czech Republic in the years 1990 to 2001 and assessment of pediatric population with inflammatory bowel disease.

Background: The aim of this study was to assess the pediatric population that suffered from inflammatory bowel disease (IBD) in the Czech Republic and to determine the incidence of Crohn disease (CD) in children up to 15 years age between 1990 and 2001.

Methods: Diagnostic criteria for CD, ulcerative colitis (UC), and indeterminate colitis (IC) were defined. Medical records provided a source of basic information about the children.