Skip to main content

Table 1 Sample description

From: Admixture mapping reveals the association between Native American ancestry at 3q13.11 and reduced risk of Alzheimer’s disease in Caribbean Hispanics

Sample N Females (%) Age (years) ε2 (%) ε4 (%)
Affected 1174 64.1 74.9 (9.4) 4.4 28.0
Unaffected 1391 67.7 72.5 (8.5) 6.7 14.5
Total 2565 66.1 73.6 (9.0) 5.6 20.7
  1. Definitions: N = sample size, Age = mean ± standard deviation of age-at-onset of dementia (affected) or age-at-last-evaluation (unaffected), ε2 = frequency of the APOE ε2 allele, ε4 = frequency of the APOE ε4 allele