NEFL and Alzheimer disease: In addition, NfM and NfL revealed higher accuracy for the discrimination between patients with AD (NfM, AUC: 0.91; NfL, AUC: 0.89) (Fig. 6c) and FTD (NfM, AUC: 0.91; NfL, AUC: 0.92) (Fig. 6d) and CTRL cases.