Table 1.

Demographic Features for Healthy Control and Patients With Alzheimer Disease.

Groups	Total Number	M/F	I/P/M	Average Age (Years)	MMSE Score	HF/NF
Healthy control	40	21/19	16/20/4	74.17 (6.54)	24.17 (3.35)	0/40
Mild dementia	28	15/13	10/15/3	73.36 (5.98)	19.83 (3.27)	1/27
Moderate dementia	42	23/19	15/23/4	75.78 (6.74)	13.54 (2.98)	3/39
Severe dementia	55	30/25	20/29/6	77.83 (6.47)	5.62 (1.14)	4/51

Abbreviations: AD, Alzheimer’s disease; HF/NF, have family history of heredity AD/no family history of heredity AD; I/P/M, illiterate/primary school/middle school; M/F, male/female; MMSE, Mini-Mental State Examination.