Stratifying risk for dementia onset using large‐scale electronic health record data: A retrospective cohort study

Introduction Preventing dementia, or modifying disease course, requires identification of presymptomatic or minimally symptomatic high‐risk individuals. Methods We used longitudinal electronic health records from two large academic medical centers and applied a validated natural language processing tool to estimate cognitive symptomatology. We used survival analysis to examine the association of cognitive symptoms with incident dementia...