Table 1 General demographic characteristics and blood biochemical indexes of subjects

Age

68.20 ± 8.53

60.12 ± 11.23

60.0 ± 11.07

69.41 ± 8.30

52.91 ± 9.95^abc

Gender, Male (%)

1992 (53.8)

621 (49.6)

539 (47.7)

461 (58.8)

274 (49.0)

Hypertension (%)

2301 (73.3)

725 (57.9)

626 (56.4)

596 (76.0)

245 (44.2)

Smoking (%)

1116 (35.5)

387 (30.9)

342 (30.8)

301 (38.4)

170 (30.7)

Alcohol (%)

933 (29.7)

332 (26.5)

276 (24.9)

242 (30.9)

131 (23.6)

Diabetes mellitus

1360 (43.3)

295 (23.5)

219 (19.7)

349 (44.6)

258 (46.2)

BMI

23.63 ± 3.31

24.10 ± 3.44

24.17 ± 3.43

23.64 ± 3.31

24.73 ± 3.48^abc

TC

4.21 ± 1.07

4.31 ± 1.05

4.33 ± 1.05

4.21 ± 1.01

4.46 ± 1.06^abc

TG

1.56 ± 1.17

1.71 ± 1.32

1.68 ± 1.34

1.55 ± 1.22

1.83 ± 1.54^abc

HDL

1.15 ± 0.27

1.19 ± 0.30

1.20 ± 0.30

1.15 ± 0.27

1.24 ± 0.32^abc

LDL

2.33 ± 0.85

2.40 ± 0.93

2.39 ± 0.73

2.34 ± 0.79

2.48 ± 0.70^abc

APO a

1.21 ± 0.18

1.25 ± 0.24

1.25 ± 0.23^c

1.20 ± 0.18^b

1.28 ± 0.27^abc

APO b

0.88 ± 0.27

0.88 ± 0.26

0.88 ± 0.24

0.88 ± 0.27

0.89 ± 0.22

Lp (a)

210.50 ± 135.04

202.00 ± 135.60^c

197.75 ± 102.31^c

217.31 ± 137.87^ab

138.94 ± 102.31^abc

GLU

6.82 ± 3.27

7.07 ± 3.85

6.88 ± 2.90^c

6.87 ± 3.06^b

7.25 ± 3.29^bc

Cr

82.32 ± 44.58

77.68 ± 23.05^c

79.40 ± 43.66^c

84.86 ± 50.28^ab

76.01 ± 54.39^c

BUN

6.07 ± 2.39

5.73 ± 1.73^c

5.80 ± 1.93^c

6.24 ± 2.75^ab

5.72 ± 2.02^c

CysC

1.22 ± 0.60

1.14 ± 0.26

1.18 ± 0.45

1.27 ± 0.72^ab

1.02 ± 0.46^abc

UA

324.63 ± 82.460

320.90 ± 78.71

313.35 ± 86.85^c

329.27 ± 82.15^ab

300.45 ± 83.98^abc