Additional file 1: of Addition of the Aβ42/40 ratio to the cerebrospinal fluid biomarker profile increases the predictive value for underlying Alzheimer’s disease dementia in mild cognitive impairment BaldeirasInês SantanaIsabel LeitãoMaria GensHelena PascoalRui Tábuas-PereiraMiguel Beato-CoelhoJosé DuroDiana AlmeidaMaria OliveiraCatarina 2018 Figure S1. Receiver operating characteristics (ROC) curves for (A) distinguishing between AD-dementia patients and controls and for (B) the predicted probabilities of conversion to AD in MCI patients derived from logistic regression models, using either CSF Aβ42 or the Aβ42/40 ratio. (PDF 59 kb)