Figure 1. Sample selection steps and dementia patient characteristics by genetic inferred ancestry groups, UCLA ATLAS sample.

A) Inclusion criteria and case-control selection steps. B) Distribution of diagnosis in ICD-10 codes by genetic inferred ancestry groups. Abbreviations: AA, African Americans; HLA: Hispanic Latino Americans. ICD-10 codes descriptions: G30, Alzheimer’s disease; F03, Unspecified dementia; F02, Dementia in other diseases classified elsewhere; F01, Vascular dementia; G31, Other degenerative diseases of nervous system, not elsewhere classified.