Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13195-017-0246-x/MediaObjects/13195_2017_246_Fig2_HTML.gif)
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