APOE and Lewy body dementia: The average ages of the individuals from the DLB and CN samples were 78.7 years (SD = 5.9 years) and 76.7 years (SD = 3.9 years), respectively; the APOE ε4 allele frequencies were 0.26 and 0.093, respectively; and the female-to-male ratios were both 1.14:1 (Supplementary Table 1).