MAPT and Alzheimer disease: Moreover, we compared multivariate models using the set of clinically validated biomarkers (Aβ42, Tau, and pTau) as covariates predicting the disease diagnosis, to the same models with the contribution of proNGF as an additional covariate, for the comparison between FTD and AD, and between FTD and SMC_CTR (we pooled CTR and SMC subjects).