Survival after dementia diagnosis in five racial/ethnic groups

Elizabeth R. Mayeda, M. Maria Glymour, Charles P. Quesenberry, Julene K. Johnson, Eliseo J. Pérez-Stable, Rachel Whitmer

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Introduction Information on anticipated survival time after dementia diagnosis among racially/ethnically diverse patients is needed to plan for care and evaluate disparities. Methods Dementia-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. Results After 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. Discussion Survival after dementia diagnosis differs by race/ethnicity, with shortest survival among whites and longest among Asian Americans.

Original languageEnglish (US)
Pages (from-to)761-769
Number of pages9
JournalAlzheimer's and Dementia
Volume13
Issue number7
DOIs
StatePublished - Jul 1 2017
Externally publishedYes

Keywords

  • Cohort
  • Dementia
  • Disparities
  • Epidemiology
  • Ethnicity
  • Mortality
  • Race
  • Survival

ASJC Scopus subject areas

  • Epidemiology
  • Health Policy
  • Developmental Neuroscience
  • Clinical Neurology
  • Geriatrics and Gerontology
  • Cellular and Molecular Neuroscience
  • Psychiatry and Mental health

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  • Cite this

    Mayeda, E. R., Glymour, M. M., Quesenberry, C. P., Johnson, J. K., Pérez-Stable, E. J., & Whitmer, R. (2017). Survival after dementia diagnosis in five racial/ethnic groups. Alzheimer's and Dementia, 13(7), 761-769. https://doi.org/10.1016/j.jalz.2016.12.008