Survival after dementia diagnosis in five racial/ethnic groups |
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Authors: | Elizabeth R Mayeda M Maria Glymour Charles P Quesenberry Julene K Johnson Eliseo J Pérez-Stable Rachel A Whitmer |
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Institution: | 1. Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA;2. Kaiser Permanente Division of Research, Oakland, CA, USA;3. Institute for Health & Aging, University of California, San Francisco, San Francisco, CA, USA;4. Center for Aging in Diverse Communities, University of California, San Francisco, San Francisco, CA, USA;5. Office of the Director, National Institute of Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD, USA |
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Abstract: | IntroductionInformation on anticipated survival time after dementia diagnosis among racially/ethnically diverse patients is needed to plan for care and evaluate disparities.MethodsDementia-free health care members aged ≥64 years were followed (1/1/2000–12/31/2013) for dementia diagnosis and subsequent survival (n = 23,032 Asian American; n = 18,778 African American; n = 21,000 Latino; n = 4543 American Indian/Alaska Native; n = 206,490 white). Kaplan–Meier curves were estimated for survival after dementia diagnosis by race/ethnicity. We contrasted mortality patterns among people with versus without dementia using Cox proportional hazards models.ResultsAfter dementia diagnosis (n = 59,494), whites had shortest median survival (3.1 years), followed by American Indian/Alaska Natives (3.4 years), African Americans (3.7 years), Latinos (4.1 years), and Asian Americans (4.4 years). Longer postdiagnosis survival among racial/ethnic minorities compared with whites persisted after adjustment for comorbidities. Racial/ethnic mortality inequalities among dementia patients mostly paralleled mortality inequalities among people without dementia.DiscussionSurvival after dementia diagnosis differs by race/ethnicity, with shortest survival among whites and longest among Asian Americans. |
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Keywords: | Dementia Survival Mortality Race Ethnicity Disparities Cohort Epidemiology |
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