MAPT and dementia: In the amyloid-adjusted logistic regression models, p-tau was a significant predictor for PET-amyloid in SCD (OR = 1.02 [1.01–1.04], pFDR = 0.03), MCI (OR = 1.05 [1.02–1.07], pFDR < 0.01), and dementia (OR = 1.04 [1.03–1.05], pFDR < 0.001), but not for CSF-amyloid.