Table 5. Result summary of three different methods on TUM dataset.

			Accuracy %	AUC	Sensitivity	Specificity
MCI vs. AD	P	GMM+MS	72.7 (74.0)	0.81 (0.80)	0.77 (0.78)	0.68 (0.69)
		AAL	74.8	0.80	0.77	0.72
		t-test	72.6	0.79	0.77	0.68
	G	GMM+MS	73.8 (74.8)	0.82 (0.82)	0.77 (0.78)	0.71 (0.71)
		AAL	70.5	0.78	0.72	0.69
		t-test	65.5	0.71	0.68	0.63
NC vs. AD	P	GMM+MS	90.5 (89.5)	0.93 (0.96)	0.94 (0.88)	0.89 (0.89)
		AAL	89.0	0.95	0.94	0.85
		t-test	89.4	0.97	0.86	0.90
	G	GMM+MS	91.6 (88.1)	0.97 (0.96)	0.94 (0.84)	0.90 (0.89)
		AAL	89.0	0.95	0.91	0.88
		t-test	92.0	0.98	0.93	0.91
NC vs. MCI	P	GMM+MS	88.0 (87.2)	0.95 (0.93)	0.87 (0.85)	0.89 (0.89)
		AAL	81.5	0.88	0.82	0.79
		t-test	81.1	0.90	0.64	0.89
	G	GMM+MS	87.7 (85.3)	0.95 (0.92)	0.87 (0.82)	0.88 (0.87)
		AAL	78.0	0.90	0.74	0.80
		t-test	89.5	0.94	0.89	0.90

Results from AIC are noted in brackets, following the BIC results.