Table 2.

Characteristics of datasets used in this work. There was no statistically significant difference in age (permutation test, p > 0.05) nor gender (proportion test, p > 0.05) between different MCI groups.

	AD	NC	pMCI	sMCI	uMCI
No. of subjects	200	231	164	100	130
Males/female	103/97	119/112	97/67	66/34	130/81
Age range	55–91	59–90	55–89	57–89	54–90