Epidemiology of Ulcerative Colitis in Western Norway

K. Haug Institute of General Practice, University of Bergen, Bergen, Norway; Medical Dept. A, Rikshospitalet, Oslo, Norway; Medical Dept, Rogaland Central Hospital, Stavanger, Norway; Pediatric and Surgical Dept, Haukeland University Hospital, Bergen, Norway

E. Schrumpf Institute of General Practice, University of Bergen, Bergen, Norway; Medical Dept. A, Rikshospitalet, Oslo, Norway; Medical Dept, Rogaland Central Hospital, Stavanger, Norway; Pediatric and Surgical Dept, Haukeland University Hospital, Bergen, Norway

S. Barstad Institute of General Practice, University of Bergen, Bergen, Norway; Medical Dept. A, Rikshospitalet, Oslo, Norway; Medical Dept, Rogaland Central Hospital, Stavanger, Norway; Pediatric and Surgical Dept, Haukeland University Hospital, Bergen, Norway

G. Fluge Institute of General Practice, University of Bergen, Bergen, Norway; Medical Dept. A, Rikshospitalet, Oslo, Norway; Medical Dept, Rogaland Central Hospital, Stavanger, Norway; Pediatric and Surgical Dept, Haukeland University Hospital, Bergen, Norway

J. F. Halvorsen Institute of General Practice, University of Bergen, Bergen, Norway; Medical Dept. A, Rikshospitalet, Oslo, Norway; Medical Dept, Rogaland Central Hospital, Stavanger, Norway; Pediatric and Surgical Dept, Haukeland University Hospital, Bergen, Norway

Abstract

The incidence of ulcerative colitis (UC) in the three counties that compose Western Norway was registered in a prospective study during the years 1984 and 1985. Both inpatients and outpatients were included. Five hundred and fifty general practitioners and 12 hospitals participated in the study. A total of 239 patients were diagnosed in this area with 807,000 inhibitants, giving a mean annual incidence of 14.8 per 100,000. For patients between 30 and 35 years of age the age-specific incidence rate was 31.2. The M/F sex ratio was 1.10. Familial occurrence of inflammatory bowel disease was found in 11% of the patients. Patients with rectal involvement only constituted 35% of the patients.

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Epidemiology of Ulcerative Colitis in Western Norway

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Epidemiology of Ulcerative Colitis in Western Norway

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