TABLE 1.

Demographics and clinical information

Characteristics	Healthy control (n = 49)	Mild cognitive impairment (n = 49)	Alzheimer's disease (n = 49)	p‐value
Age (year)	74.43 ± 8.24	73.35 ± 8.54	76.22 ± 8.54	.259 a
Education (year)	16.94 ± 2.32	16.22 ± 1.83	16.73 ± 2.78	.093 a
Sex (M/F)	21/28	27/22	33/16	.051 b
MMSE	29.04 ± 1.14	28.10 ± 1.60	21.92 ± 2.94	.000 a
LM	14.59 ± 3.69	8.57 ± 4.16	1.45 ± 2.17	.000 a

Note: Data are presented as the means ± standard deviation (SD).

^a p value obtained by a Kruskal–Wallis H test.

^b p value obtained by a two‐tailed Pearson chi‐square test.