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Background and Aim  There is increasing prevalence of inflammatory bowel disease (IBD) in Asia, but Sri Lankan data on the state of epidemiology and clinical course of IBD are scarce.    Methods  A hospital‐based study was done by recruiting IBD patients who permanently reside in the Central Province (population 2.57 million, 12.6% of Sri Lankan population) of Sri Lanka. Cases were confirmed by standard criteria and data were collected from health records and patient interviews at clinic visits and hospital admissions.    Results  There were 200 cases of IBD; (ulcerative colitis [UC]—140, Crohn's disease [CD]—60, microscopic colitis—7). The crude prevalence rate of UC was 5.44/100 000 (95% CI 5.41–5.47/100 000) and CD was 2.33/100 000 (95% CI 2.31–2.35/100 000). Female to male ratios were 1:0.8 for UC but 1:1.5 for CD.  Mean age at diagnosis was 42.0 and 31.9 years for UC and CD, respectively. One UC and one CD patient had positive family history of IBD. Among the UC patients, 60.7%, 24.3%, and 15% had proctitis, left sided, and extensive disease, respectively. At presentation, 62.1% of the UC patients have had moderately severe disease. 60% of the CD patients had only large bowel involvement and 80% had nonstricturing and nonpenetrating disease. Extra intestinal manifestations were present in 45.7% and 60.0% of UC and CD patients, respectively, in which peripheral arthralgia and arthritis being the commonest. 6.4% of UC and 23.3% of the CD patients (total of 23) required infliximab for induction of remission.    Conclusion  The prevalence of IBD in the Central Province of Sri Lanka is lower than other Asian and Western populations. There is a predominance of male gender and isolated colonic disease in CD patients. UC patients have an equal gender distribution and a higher proportion of proctitis. CD needed induction with infliximab than UC.

Epidemiology and clinical course of inflammatory bowel disease in the Central Province of Sri Lanka: A hospital‐based study