Table 2.

Performance of classifying the AD and aMCI groups from the NC group

	NC vs. aMCI		NC vs. AD
	Data	P-value	Data	P-value
Accuracy	0.68	0.007	0.71	0.004
Sensitivity	0.40	0.009	0.72	0.001
Specificity	0.88	0.031	0.71	0.039
Area under curve	0.61	0.05	0.75	0.001
Positive predictive value	0.71	0.014	0.68	0.031
Negative predictive value	0.67	0.006	0.74	0.003
F-score	0.51	0.011	0.7	0.001

AD: Alzheimer’s disease; aMCI: amnestic mild cognitive impairment; NC: normal control.