MAPT and cardiovascular disorder: When all the covariates were added to the model, including hearing aid use, education, cardiovascular disease, age and gender, per 10% mean word-recognition score decrease, the SUVR of β-amyloid showed an increase of 0.060 (95% CI 0.008–0.113; P = 0.023) while that of tau showed an increase of 0.059 (95% CI 0.009–0.111; P = 0.031) (Table 3).