Table 1 Baseline characteristics

Sex

 Male, n,(%)

36 (34.3)

30 (41.1)

6 (18.8)

0.026*

 Female, n,(%)

69 (65.7)

43 (58.9)

26 (81.2)

Age, years, median(Q25, Q75)

68.0 (63.5, 73.0)

67.0 (63.0, 73.0)

68.5 (65.0, 72.8)

0.638

Smoking, n,(%)

27 (25.7)

24 (32.9)

3 (9.4)

0.110

Drinking, n,(%)

32 (30.5)

25 (34.2)

7 (21.8)

0.205

Hypertension, n,(%)

61 (58.1)

45 (61.6)

16 (50.0)

0.266

Diabetes, n,(%)

23 (21.9)

14 (19.2)

9 (28.1)

0.308

TC,mmol·L-1, median(Q25, Q75)

4.55 (3.77, 5.10)

4.57 (3.71, 5.23)

4.46 (4.02, 4.95)

0.914

TG,mmol·L-1, median(Q25, Q75)

1.33 (1.01, 1.69)

1.56 (1.26, 1.72)

1.32 (0.88, 1.76)

0.978

HDL, mmol·L-1, mean(SD)

1.42 (0.37)

1.38 (0.37)

1.52 (0.35)

0.076#

LDL, mmol·L-1, median(Q25, Q75)

2.90 (2.32, 3.45)

2.88 (2.13, 3.43)

2.96 (2.41, 3.52)

0.493

FBG, mmol·L-1, median(Q25, Q75)

5.27 (4.83, 5.81)

5.27 (4.81, 5.86)

5.25 (4.83, 5.56)

0.876

HbA1c, mmol·L-1, median(Q25, Q75)

5.60 (5.30, 6.05)

5.70 (5.30, 6.10)

5.55 (5.21, 5.98)

0.101

DMV score, mean(SD)

7.95 (5.18)

8.82 (5.25)

5.97 (4.52)

0.009*

Education level,n,(%)

0.003*

  < 16 years

92 (87.6)

69 (94.5)

23 (71.9)

  ≥ 16 years

13 (12.4)

4 (5.5)

9 (28.1)

MMSE, median(Q25, Q75)

28.0 (27.0, 29.0)

28.0 (27.0, 29.0)

29.0 (28.0, 30.0)

0.002*

MoCA, mean(SD)

23.97 (2.76)

22.52 (1.89)

27.28 (1.11)

 < 0.001*