Table 1.

Demographic and clinical information.

	CN	MCI	AD	p-value
N	27	23	20
Gender (F/M)	15/12	15/8	15/5	0.386
Age, year	67.48 (7.44)	70.56 (8.30)	66.00 (9.44)	0.188
Education, year	13.52 (2.82)	12.78 (3.72)	11.65 (3.70)	0.183
MMSE	29.37 (0.79)	27.26 (1.86)a	21.50 (4.65)b,c	<0.001
CDR 0/0.5/≥1	0	0.5	≥1

Values are mean (SD). Chi-square was used for gender comparisons, one-way ANOVA with post hoc Bonferroni comparisons was used for comparisons of age, education and MMSE scores among all groups. ^aCN ≢ MCI (p < 0.05); ^bMCI ≢ AD (p < 0.05); ^cCN ≢ AD (p < 0.05). Abbreviations: CN, cognitively normal; MCI, mild cognitive impairment; AD, Alzheimer’s Disease; MMSE, Mini-Mental State Examination; CDR, clinical dementia rating.