Table 1.

Data of patients in the Alzheimer’s disease neuroimaging initiative database

	Count	Male	Female	Married	Widowed	Divorced	Never married	Average of age	Average of MMSE
AD	156	76	80	127	18	8	3	74.89	23.32
NC	211	110	101	142	38	17	14	75.91	29.13
MCI	338	215	123	269	39	24	6	74.51	27.05
Total	705	401	304	538	95	49	23	75.01	26.85

AD – Alzheimer’s disease; NC – Normal control; MIC – Mild cognitive impairment; MMSE – Mini-Mental State Examination