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Receiver operating characteristic (ROC) curve analysis of hippocampus MK and precuneus MD. Both parameters could be used to identify any two groups of patients, although hippocampal MK performed better than precuneus MD as reflected by its larger AUC. H-MK, mean kurtosis of hippocampus; Pc-MD, mean diffusivity of precuneus; NC, normal cognition; AD, Alzheimer’s disease; MCI, mild cognitive impairment; AUC, area under the curve.
