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Michel Préville
Michel Préville
Canada
Publications
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Research Article
Development of a Comorbidity Score Based on Institutionalization:Comparative Performance with a Comorbidity Score Modeled on Mortality
Author(s): Sarah-Gabrielle Beland, Cara Tannenbaum, Thierry Ducruet, Michel Preville and Yola Moride Sarah-Gabrielle Beland, Cara Tannenbaum, Thierry Ducruet, Michel Preville and Yola Moride
Background: Comorbidity scores based on the prediction of 1-year mortality risk are used in pharmacoepidemiologic and pharmacoeconomic research to control for unmeasured confounding. However, admission to a long-term care institution may be a more salient and discriminant outcome on which to base comorbidity scores. Objective: To develop a prescription claims-based comorbidity score to predict institutionalization in the community-dwelling elderly population, and to compare its performance against existing mortality comorbidity scores. Methods: A geriatric institutionalization comorbidity index was derived from data of a retrospective cohort of 61,172 community-dwelling older adults identified through the Quebec claims databases (2000-2009). Predictors of institutionalization were identified through clinical expertise and by nested case-control analysis. The Framin.. View More»
DOI: 10.4172/2167-7182.1000116