MAPT and Alzheimer disease: The results showed that CSFP was negatively associated with the Qalb values in all patients (n = 148) (B = -0.03, 95% CI: -0.05 - -0.01, p = 0.006) and in the patients with AD (n = 113) (B = -0.04, 95% CI: -0.07 - -0.01, p = 0.006) but not the levels of Aβ1–42, Aβ1–40, p-tau181, and t-tau.