Table 1 Demography and cognitive performance of SVCI and HCs.

Sex (male/ female)

32/51

39/41

1.333

[− 0.063, 0.244]

0.248

Age (years)

67.00 ± 5.15

65.89 ± 6.59

0.799

[− 1.616, 3.838]

0.427

Education (years)

9.81 ± 2.12

8.86 ± 2.07

1.910

[− 0.025, 1.913]

0.06

Hypertension (Yes/No)

32/51

37/43

0.698

[− 0.088, 0.219]

0.403

Diabetes (Yes/No)

18/65

20/60

0.099

[− 0.129, 0.178]

0.753

Hyperlipemia (Yes/No)

6/77

6/74

0.055

[− 0.135, 0.172]

0.815

Summary CSVD score

–

1.55 ± 1.06

–

–

–

MMSE

28.37 ± 1.15

25.66 ± 2.69

8.402

[2.079, 3.344]

< 0.001

MoCA

27.28 ± 1.87

23.19 ± 2.94

10.563

[3.313, 4.852]

< 0.001

AVLT—IR

6.07 ± 1.18

4.66 ± 1.26

7.323

[1.029, 1.783]

< 0.001

AVLT—DR

5.57 ± 2.13

3.51 ± 2.29

5.935

[1.383, 2.750]

< 0.001

TMT—A

66.88 ± 23.53

103.51 ± 51.34

− 5.883

[− 49.029, − 24.225]

< 0.001

TMT—B

147.48 ± 44.28

275.21 ± 90.94

− 11.421

[− 150.162, − 105.290]

< 0.001

Stroop A

28.83 ± 5.66

38.44 ± 10.63

− 7.223

[− 12.256, − 6.967]

< 0.001

Stroop B

45.84 ± 11.26

67.78 ± 19.97

− 8.666

[− 26.968, − 16.914]

< 0.001

Stroop C

85.63 ± 23.59

143.48 ± 50.92

− 9.352

[− 70.176, − 45.533]

< 0.001

DST—A

7.04 ± 0.80

6.49 ± 0.90

4.042

[0.279, 0.806]

< 0.001

DST—B

4.36 ± 0.79

3.67 ± 0.94

5.060

[0.422, 0.959]

< 0.001

CDT

9.19 ± 3.39

8.34 ± 1.22

2.105

[0.074, 1.628]

0.037