Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta

Previous studies have reported a high prevalence of inflammatory bowel disease among the relatives, and especially siblings, of patients with Crohn's disease or ulcerative colitis. This high familial prevalence of Crohn's disease and ulcerative colitis suggests that genetic factors could p...

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Main Authors: BR Pinchbeck, J Kirdeikis, ABR Thomson
Format: Article
Language:English
Published: Wiley 1990-01-01
Series:Canadian Journal of Gastroenterology
Online Access:http://dx.doi.org/10.1155/1990/625269
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author BR Pinchbeck
J Kirdeikis
ABR Thomson
author_facet BR Pinchbeck
J Kirdeikis
ABR Thomson
author_sort BR Pinchbeck
collection DOAJ
description Previous studies have reported a high prevalence of inflammatory bowel disease among the relatives, and especially siblings, of patients with Crohn's disease or ulcerative colitis. This high familial prevalence of Crohn's disease and ulcerative colitis suggests that genetic factors could play a role in the development of these disorders. The present study attempted to assess the relative risk for relatives of Crohn's disease and ulcerative colitis patients based on data provided by 1015 questionnaires completed by patients in northern Alberta. A Mx2 2x2 test among relatives was performed on the diseased versus normal data for each diagnosis to determine if significant differences existed. The prevalence for mothers and sisters was the highest of the relative groups for Crohn's disease ( 6430 of 105 and 4670 of 105 , respectively). Female relatives tended to have twice the prevalence of their male counterparts. There were differences between mother, daughter and sister prevalence rates for Crohn's disease. These results support the hypothesis that a genetic predisposition in families combined with possible environmental and lifestyle influences determine the relative risk of developing Crohn's disease and ulcerative colitis.
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spelling doaj-art-423f1620040a4b09a3467ca051b382772025-02-03T05:50:08ZengWileyCanadian Journal of Gastroenterology0835-79001990-01-014518418610.1155/1990/625269Familial Prevalence of Inflammatory Bowel Disease in Northern AlbertaBR PinchbeckJ KirdeikisABR ThomsonPrevious studies have reported a high prevalence of inflammatory bowel disease among the relatives, and especially siblings, of patients with Crohn's disease or ulcerative colitis. This high familial prevalence of Crohn's disease and ulcerative colitis suggests that genetic factors could play a role in the development of these disorders. The present study attempted to assess the relative risk for relatives of Crohn's disease and ulcerative colitis patients based on data provided by 1015 questionnaires completed by patients in northern Alberta. A Mx2 2x2 test among relatives was performed on the diseased versus normal data for each diagnosis to determine if significant differences existed. The prevalence for mothers and sisters was the highest of the relative groups for Crohn's disease ( 6430 of 105 and 4670 of 105 , respectively). Female relatives tended to have twice the prevalence of their male counterparts. There were differences between mother, daughter and sister prevalence rates for Crohn's disease. These results support the hypothesis that a genetic predisposition in families combined with possible environmental and lifestyle influences determine the relative risk of developing Crohn's disease and ulcerative colitis.http://dx.doi.org/10.1155/1990/625269
spellingShingle BR Pinchbeck
J Kirdeikis
ABR Thomson
Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
Canadian Journal of Gastroenterology
title Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
title_full Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
title_fullStr Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
title_full_unstemmed Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
title_short Familial Prevalence of Inflammatory Bowel Disease in Northern Alberta
title_sort familial prevalence of inflammatory bowel disease in northern alberta
url http://dx.doi.org/10.1155/1990/625269
work_keys_str_mv AT brpinchbeck familialprevalenceofinflammatoryboweldiseaseinnorthernalberta
AT jkirdeikis familialprevalenceofinflammatoryboweldiseaseinnorthernalberta
AT abrthomson familialprevalenceofinflammatoryboweldiseaseinnorthernalberta