Fig. 2

Receiver operating curve (ROC) for discriminating clinically diagnosed categories from algorithm-based categories (n = 368). a Dementia and major neurocognitive disorder (ND). b International Working Group mild cognitive impairment (IWG MCI) and mild ND with comparison between cognitive cut-offs (1.5 SD and 1.0 SD). AUC area under the curve, CI confidence interval, DSM Diagnostic and Statistical Manual of Mental Disorders