Ulcerative colitis in the Jewish population of Tel-Aviv Yafo. III. Clinical course.

The clinical course of ulcerative colitis has been studied and analyzed in 504 Jewish patients in the Tel Aviv area. The length of follow-up was 1 to 46 years, with a mean of 7.8 years. The data are compared with other published series of the disease in different geographical areas. Differences in the incidence of serveral complications are noted. The trend in recent years toward a lesser mortality associated with the disease is discussed.