Fig. 2

A ROC analysis showed moderately high accuracy levels for discrimination of aMCI from control in the Nijmegen aMCI patients and controls (gray line) and the Barcelona aMCI patients and controls. B ROC analysis showed consistently high accuracy levels for discrimination of AD from control in the Nijmegen AD patients and controls (gray line) and the Barcelona AD patients and controls. Abbreviations: AD, Alzheimer’s disease; AUC area under the curve. The Barcelona cohort serves as a validation cohort