Differentiation of (A) healthy controls from AD, (B) HC from MCI, (C) MCI converters from nonconverters, and (D) MCI from AD, ordered according to the type of data used: T1W only, T1W + other sequences, T1W + nonimaging data, and T1W + other sequences + nonimaging data. Abbreviations: AD, Alzheimer's disease; HC = healthy control; MCI, mild cognitive impairment; T1w, T1-weighted magnetic resonance imaging.