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Lookup NU author(s): Dr Mark Welfare
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OBJECTIVE: The Inflammatory Bowel Disease Questionnaire (IBDQ) is an instrument that assesses quality of life in patients with inflammatory bowel disease. It has 32 items in four domains. The short form of the IBDQ (SIBDQ) was developed in Canadian Crohn's disease patients for use in clinical practice. Patients with ulcerative colitis might require a different form of the SIBDQ. Our aim was to design and validate a SIBDQ for patients with ulcerative colitis and to compare this to the Crohn's SIBDQ. METHODS: We recruited 122 patients with colitis as an initial sample. Using linear regression modeling, the 10 items that best predicted the total IBDQ score were identified. The colitis and Crohn's versions of the SIBDQ were compared by univariate linear regression with the total IBDQ score in two other cohorts of colitis patients. RESULTS: Ten items explained 97% of the variance of the total IBDQ score in our first cohort. These were items 1 and 9 (bowel); 7, 11, 21, 30 (emotional); 2 and 10 (systemic); and 12 and 28 (social). Only three items were shared with the Crohn's SIBDQ. The R2 for both SIBDQs with the total IBDQ score in the other cohorts were very high (≥0.95), although the Colitis SIBDQ showed better internal consistency. CONCLUSIONS: The development of a SIBDQ for patients with ulcerative colitis did not reveal any clear advantage over the original version of the SIBDQ. Further studies are required to determine the role of the SIBDQ in routine clinical practice.
Author(s): Han S-W, Gregory W, Nylander D, Tanner A, Trewby P, Barton R, Welfare M
Publication type: Article
Publication status: Published
Journal: American Journal of Gastroenterology
ISSN (print): 0002-9270
ISSN (electronic): 1572-0241
Publisher: Nature Publishing Group
PubMed id: 10638574
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