Table 2.

Diagnosis results.

	Method	Modality	ACC(%)	SEN(%)	SPEC(%)	BAC(%)	PPV(%)	NPV(%)	AUC(%)
AD/NC	Liu M. et al., 2014	MRI	90.18 ± 5.25	91.54	90.61	90.67	88.94	90.67	96.20
		PET	89.13 ± 6.81	90.06	89.36	89.71	88.49	89.26	95.94
		MRIPET	90.27 ± 7.02	89.48	92.44	90.96	90.56	88.7	96.55
	Suk et al., 2014	MRI	92.38 ± 5.32	91.54	94.56	93.05	92.65	90.84	96.97
		PET	92.20 ± 6.70	88.04	96.33	92.19	95.03	89.66	97.98
		MRIPET	95.35 ± 5.23	94.65	95.22	94.93	96.80	95.67	98.77
	Proposed	MRI	91.76 ± 6.14	91.01	91.54	92.44	92.17	90.86	92.44
		PET	90.89 ± 5.81	93.32	88.01	91.53	88.96	91.32	91.53
		MRIPET	94.4 ± 5.65	97.35	90.79	95.03	91.72	93.25	95.03
		MRIPETHF	96.93 ± 2.65	97.48	93.65	96.41	99.09	94.16	95.7
MCI/NC	Liu M. et al., 2014	MRI	81.00 ± 4.98	97.08	48.18	72.63	79.14	88.99	72.63
		PET	81.14 ± 10.22	96.03	52.59	74.31	80.26	84.16	74.31
		MRIPET	83.9 ± 5.80	98.97	52.59	75.78	81.18	97.22	75.78
	Suk et al., 2014	MRI	84.24 ± 6.26	99.58	53.79	76.69	81.23	98.75	76.69
		PET	84.29 ± 7.22	98.69	56.87	77.78	81.99	94.57	77.78
		MRIPET	85.67 ± 5.22	95.37	65.87	80.62	85.02	89.00	80.62
	Proposed	MRI	83.52 ± 5.38	92.07	50.28	84.98	79.99	88.75	84.98
		PET	82.95 ± 6.37	91.78	50.64	77.25	81.09	90.43	77.25
		MRIPET	83.67 ± 5.49	91.03	51.12	78.39	82.48	91.23	78.39
		MRIPETHF	86.57 ± 4.72	95.41	52.79	82.03	81.26	92.42	82.03
MCI-C/MCI-NC	Liu M. et al., 2014	MRI	64.75 ± 14.83	22.22	89.57	55.90	46.29	77.39	55.90
		PET	67.17 ± 13.43	40.02	82.61	61.32	64.13	70.31	61.32
		MRIPET	73.33 ± 12.47	33.25	97.52	65.38	80.00	73.18	65.38
	Suk et al., 2014	MRI	72.42 ± 13.09	36.70	90.98	55.90	46.29	77.84	55.90
		PET	70.75 ± 13.23	25.45	96.55	61.32	64.13	70.69	61.32
		MRIPET	75.92 ± 15.37	48.04	95.23	65.38	80.00	74.33	65.38
	Proposed	MRI	80.12 ± 8.65	62.42	89.06	81.52	82.14	84.55	81.52
		PET	79.92 ± 4.72	59.37	91.12	82.45	85.14	86.98	82.45
		MRIPET	81.57 ± 8.66	66.52	89.96	79.67	83.41	88.92	79.67
		MRIPETHF	82.75 ± 4.81	77.29	95.08	85.27	90.36	90.23	85.27