Inflammatory bowel disease in Saudi Arabia: a hospital-based clinical study of 312 patients.

Background And Objectives: The epidemiology, clinical characteristics, and natural course of inflammatory bowel disease (IBD) in Saudi Arabia are still largely unknown. Hence, we decided to conduct a large retrospective, cohort study to determine these features of the disease.

Design And Setting: Retrospective study conducted in a tertiary care hospital in Riyadh from January 1970 to December 2008.