Incidence of Inflammatory Bowel Disease in Northwestern France: Preliminary Results in Region Nord-Pas-de-Calais

Abstract
A prospective study in the region Nord-Pas-de-Calais between 1 February and 15 November 1988 identified 166 cases of Crohn's disease, 116 of ulcerative colitis, and 31 of proctitis. The incidence of ulcerative colitis was 2.96 cases/10(5)/year and of Crohn's disease, 4.23/10(5)/year.

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