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Canadian Journal of Gastroenterology
Volume 4 (1990), Issue 5, Pages 187-192
http://dx.doi.org/10.1155/1990/831535
Clinical Gastroenterology

Inflammatory Bowel Disease Incidence and Prevalence in Southern Alberta

Faith G Davis,1 Michael G Grace,2 and Noel Hershfield3

1Epidemiology and Biostatistics Program, University of Illinois at Chicago, Chicago, Illinois, USA
2University of Alberta, Edmonton, Alberta, Canada
3Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada

Received 10 October 1989; Accepted 11 June 1990

Copyright © 1990 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Incidence and prevalence rates of inflammatory bowel disease were estimated for 1976-81 in southern Alberta. Cases were identified using hospital and physician records and membership lists of the Canadian Foundation for Ileitis and Colitis. A mail survey was conducted to obtain demographic data. Population data were obtained from Statistics Canada. The overall prevalence rate of IBO in men was 69.1 per 105 and 97.6 per 105 in women. Incidence rates of IBD were 6.0 per 105 per year in men and 9.2 per 105 per year in women. These six differences were due to Crohn's disease as female incidence rates were twice that of male rates 6.3 per 105 per year versus 3. L per LOS per year. A bimodal age distribution and female predominance in the younger age groups was apparent for Crohn's disease.