Table 1 Demographic data and clinical characteristics of the study population

Age (y, mean ± SD)

58.7 ± 9.70

51.05 ± 7.03

61.54 ± 9.01

-10.134

<0.0001

Female (n, %)

160(46.5%)

41(44.1%)

119(47.4%)

0.301

0.583

BMI (kg/m², mean ± SD)

27.10 ± 3.07

27.81 ± 3.08

26.84 ± 3.03

2.619

0.009

Smoking (n, %)

148(43.0%)

45(48.4%)

103(41.0%)

0.356

0.551

Drinking (n, %)

58(16.9%)

18(19.4%)

40(15.9%)

0.566

0.452

Lack of Exercise (n, %)

99(28.8%)

22(23.7%)

77(30.7%)

1.632

0.201

Hypertension (n, %)

196(57.0%)

44(47.3%)

152(60.6%)

4.857

0.028

Diabetes mellitus (n, %)

96(27.9%)

15(16.1%)

81(32.3%)

8.788

0.003

Coronary heart disease (n, %)

43(12.5%)

10(10.8%)

33(13.1%)

0.356

0.551

Stroke (n, %)

103(29.9%)

14(15.1%)

89(35.5%)

13.468

<0.0001

Dyslipidemia (n, %)

252(73.3%)

76(81.7%)

176(70.1%)

4.661

0.031

FBG (mmol/L, Median)

5.95(5.00, 6.10

5.75(5.15, 6.46)

6.40(5.17, 6.65)

13732.5

0.068

TC (mmol/L, mean ± SD)

5.37 ± 1.16

5.36 ± 1.03

5.38 ± 1.21

-0.137

0.891

TG (mmol/L, Median)

2.02(1.31, 2.38)

2.29(1.46, 2.84)

1.84(1.34, 2.52)

9768

0.065

HDL-c(mmol/L, mean ± SD)

1.34 ± 0.32

1.28 ± 0.28

1.37 ± 0.33

-2.149

0.032

LDL-c(mmol/L, mean ± SD)

3.62 ± 1.02

3.61 ± 0.93

3.62 ± 1.05

-0.032

0.975

Aβ₁₋₄₀ (pg/ml, mean ± SD)

52.69 ± 9.22

51.67 ± 9.11

53.07 ± 9.24

-1.253

0.211

Aβ₁₋₄₂ (pg/ml, mean ± SD)

40.70 ± 6.37

40.10 ± 5.57

40.09 ± 5.57

-1.071

0.285

Aβ₁₋₄₀/Aβ₁₋₄₂ (mean ± SD)

1.33 ± 0.33

1.32 ± 0.32

1.33 ± 0.34

-0.465

0.642