Table 1 Clinical baseline characteristics and lipid parameters of subjects

Age

63.65 ± 10.01

67.96 ± 9.87^a

< 0.001

66.50(57.00–72.00)

70.00(63.50–76.00) ^a

69.00(64.00–76.00) ^a

Gender(male)

175(70.0%)

83(71.9%)

0.633

62(57.4%)^a

90(79.6%)

60(81.1%)

Smoking

84(33.6%)

147(49.8%)^a

< 0.001

41(38.0%)

64(56.6%)^a

42(56.8%)^a

Hypertension

117(46.8%)

191(64.7%)^a

< 0.001

69(63.9%)^a

80(70.8%)^a

42(56.8%)

Diabetes mellitus

52(20.8%)

92(31.2%)^a

0.006

27(25.0%)

42(37.2%)^a

23(31.1%)

Coronary heart disease

46(18.4%)

49(16.6%)

0.583

21(19.4%)

17(15.0%)

11(14.9%)

Ischemic stroke

68(27.2%)

127(43.1%)^a

< 0.001

50(46.3%)

53(46.9%)^a

24(32.4%)

BMI

24.95(23.10–27.03)

25.70(22.90–27.80)

0.054

25.95(24.05–28.33) ^a

25.70(22.70–27.65)

24.50 (22.00–27.42)

LDL-C

2.37 (1.88–2.93)

3.00 (2.57–3.52) ^a

< 0.001

2.99 (2.57–3.61) ^a

3.08 (2.73–3.51) ^a

2.84 (2.28–3.55) ^a

TC

4.23 (3.59–4.96)

4.80 (4.25–5.51) ^a

< 0.001

4.83 (4.19–5.65) ^a

4.87 (4.39–5.53) ^a

4.72 (4.13–5.34) ^a

TG

1.14 (0.84–1.66)

1.51 (1.14–2.02) ^a

< 0.001

1.61 (1.05–2.24) ^a

1.48 (1.27–1.96) ^a

1.46 (1.10–1.87) ^a

HDL-C

1.25 (1.04–1.46)

1.17 (1.00–1.36) ^a

0.001

1.17 (1.00–1.35) ^a

1.13 (0.99–1.35) ^a

1.19 (0.99–1.38)

FBG

5.12 (4.66–5.98)

5.38(4.78–7.02) ^a

0.001

5.36 (4.77–7.03) ^a

5.43 (4.85–7.96) ^a

5.19 (4.56–6.69)

AIP

−0.04(− 0.23–0.16)

0.12 (− 0.03–0.27) ^a

< 0.001

0.12 (− 0.05–0.30) ^a

0.12 (− 0.01–0.26) ^a

0.11 (−0.05–0.26) ^a

non-HDL-C

2.86 (2.34–3.58)

3.64 (3.14–4.25) ^a

< 0.001

3.64 (3.13–4.33) ^a

3.69 (3.23–4.36) ^a

3.51 (2.92–4.10) ^a

AC

2.30 (1.76–3.06)

3.15 (2.63–3.79) ^a

< 0.001

3.05 (2.57–3.68) ^a

3.20 (2.71–3.88) ^a

3.16 (2.38–3.60) ^a

CRI-I

3.30 (2.76–4.06)

4.15 (3.63–4.79) ^a

< 0.001

4.05 (3.57–4.68) ^a

4.20 (3.71–4.88) ^a

4.16 (3.38–4.60) ^a

CRI-II

1.88 (1.47–2.55)

2.57 (2.18–3.15) ^a

< 0.001

2.56 (2.18–3.14) ^a

2.63 (2.26–3.25) ^a

2.58 (1.92–3.05) ^a

LCI

8.99 (4.95–17.85)

20.06(12.26–30.49) ^a

< 0.001

20.49(11.84–31.28) ^a

20.85(14.10–31.91) ^a

17.00(11.37–26.03) ^a

RC

0.49 (0.35–0.71)

0.60 (0.47–0.77) ^a

< 0.001

0.60 (0.45–0.79) ^a

0.61 (0.47–0.79) ^a

0.58 (0.48–0.73) ^a