Global Vascular Risk Score and CAIDE Dementia Risk Score Predict Cognitive Function in the Northern Manhattan Study

Tatjana Rundek, Hannah Gardener, Anita Seixas Dias Saporta, David A. Loewenstein, Ranjan Duara, Clinton B. Wright, Chuanhui Dong, Bonnie Levin, Mitchell S.V. Elkind, Ralph L. Sacco

Research output: Contribution to journalArticle

Abstract

BACKGROUND: Modifiable vascular risk factors (VRF) have been implicated in cognitive impairment. OBJECTIVE: We compared the prediction of cognitive performance between the Cardiovascular Risk Factors, Aging, and Incidence of Dementia (CAIDE) dementia risk score, a validated tool to estimate dementia risk using VRF, and the Northern Manhattan Study (NOMAS) global vascular risk score (GVRS), created to predict vascular events. METHODS: The CAIDE and GVRS scores were calculated based on baseline VRF among 1,290 stroke-free participants in the prospective population-based NOMAS MRI cohort (mean age 64±8 years, 60% women; 66% Hispanic, 17% Black, 15% White; 46% completed high school). Domain-specific Z-scores were derived for episodic and semantic memory, executive function, and processing speed, and averaged to calculate global cognition. RESULTS: The CAIDE score was associated with worse global cognition at initial assessment (Beta per SD = -0.347, p < 0.0001), and with greater decline over time (Beta per SD = -0.033, p = 0.02). These associations were largely due to age and education, and the association with cognitive decline was not significant after adjusting for age, sex, and education. The GVRS was inversely associated with global cognition at initial testing (Beta per SD = -0.247, p < 0.0001) and greater decline over time (Beta per SD = -0.127, p < 0.0001), which persisted after adjusting for sociodemographics. The associations for both scores with initial cognitive performance were driven by executive function and processing speed, and the GVRS was associated with decline in episodic memory and processing speed. CONCLUSIONS: The GVRS was a stronger predictor of cognitive decline than the CAIDE in a multi-ethnic urban cohort. The inclusion of glucose and smoking in the GVRS, which are absent in CAIDE, likely explains the better performance of the GVRS.

Original languageEnglish (US)
Pages (from-to)1221-1231
Number of pages11
JournalJournal of Alzheimer's disease : JAD
Volume73
Issue number3
DOIs
StatePublished - Jan 1 2020

Keywords

  • Cognition
  • dementia
  • epidemiology
  • risk score
  • vascular risk factors

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Psychology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

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