Table 1 Comparison of demographic characteristics between groups

Age (years)

48.4 ± 10.2

51.3 ± 10.7

53.8 ± 11.0

52.7 ± 10.3

Gender (male/female)

27/21

25/21

24/19

78/60

BMI (kg/m²)

24.61 ± 2.42*

24.99 ± 2.48*

25.59 ± 2.51*

22.13 ± 2.21

Smoking history (n)

7*

8*

9*

3

Alcohol consumption history (n)

7*

7*

10*

2

Hypertension history (n)

28*

28*

27*

0

Diabetes history (n)

16*

16*

15*

0

TC (mmol/L)

4.69 ± 0.78*

4.83 ± 0.81*

4.98 ± 0.83*

3.19 ± 0.79

HDL-C (mmol/L)

1.22 ± 0.21*

1.16 ± 0.19*

1.09 ± 0.18*

1.43 ± 0.22

LDL-C (mmol/L)

2.43 ± 0.46*

2.55 ± 0.47*

2.62 ± 0.49*

1.83 ± 0.51

TG (mmol/L)

1.68 ± 0.19*

1.73 ± 0.21*

1.79 ± 0.24*

1.33 ± 0.21

FBG (mmol/L)

6.57 ± 0.81*

6.63 ± 0.79*

6.89 ± 0.82*

5.18 ± 0.78

Medication (n, %)

Aspirin

46

45

42

–

Statins

47

46

42

–

Nitrate

37

36

33

β-blocker

30

32

30

–

ACEI/ARB

24

24

23

–