MAPT and Alzheimer disease: Females are known to have a higher incidence of AD than males, but there were no significant sex differences in serum t-tau (Male, 251.7 ± 32.40; Female, 301.1 ± 31.97, Figure S5A), p-tau (S202) (Male, 117.8 ± 16.43; Female, 113.3 ± 14.08, Figure S5B), and p-tau (T181) (Male, 9.65 ± 0.48; Female, 9.73 ± 0.33, Figure S5C).