As listed in Table 2, the T-Tau level in the HC group was 15.13 ± 3.62 pg/mL; PS, 19.29 ± 8.01 pg/mL; ADFH, 17.93 ± 6.26 pg/mL; diabetes 19.74 ± 2.92 pg/mL; ESRD, 21.54 ± 2.72 pg/mL; OSA, 21.54 ± 2.72 pg/mL; and AD, 41.24 ± 14.64 pg/mL. This evidence concerns the gene MAPT and diabetes mellitus.