Age (69.6 ± 8.4 vs. 73.4 ± 5.6, p = 0.12), BMI (24.5 ± 4.5 vs. 25.2 ± 3.0, p = 0.41) and the TSPO gene SNP (HAB 12/29; MAB 17/29 vs. HAB 11/20; MAB 9/20; χ2 = 0.88, p = 0.35) did not differ between females and males with AD. Here, TSPO is linked to Alzheimer disease.