Table 1.

Demographic characteristics and neuropsychological characteristics of the cohort.

	HC (n = 15)	T2DM (n = 18)	SCD (n = 8)	VD (n = 12)	AD (n = 17)
Age in year	71.8 ± 6.1a	62.5 ± 3.7abc	69.5 ± 7.5	79.3 ± 4.2b	75.1 ± 8.2c
Gender (M/F)^	3/12	15/3	2/6	8/4	5/12
HK-MoCA score#	26.6 ± 2.1dg	27.6 ± 1.0eh	28.5 ± 1.4 fj	17.0 ± 4.7ghj	14.7 ± 6.7def
No. of vascular risk factor
–T2DM	0	18	0	3	0
–hypertension^^	7	9	2	9	7
–hyperlipidemia^	4	16	2	10	6
Two vascular risk factors*	4	7	0	5	3
Three vascular risk factors*	0	9	0	3	0

Kruskal-Wallis test with pairwise comparison ^abcdefghjp < 0.01.

^{^}Chi-square test with p < 0.05.

^{^^}Chi-square test with p > 0.05.

^#Two SCD, one VD and five AD have missing HK-MoCA score.

^*Two vascular risk factors = DM + HT or DM + HL or HT + HL; three vascular risk factors = DM + HT + HL.