Table 1 Baseline characteristics of healthy population

Age, y

45.90 ± 11.16

45.40 ± 10.97

46.67 ± 11.41

< 0.001

36.98 ± 6.06

54.92 ± 7.18

< 0.001

hs-CRP, mg/L

1.18(0.60, 2.47)

1.24(0.65,2.57)

1.07(0.53,2.29)

< 0.001

1.05(0.53,2.16)

1.31(0.69,2.75)

< 0.001

TG, mmol/L

1.33(0.93, 1.99)

1.53(1.07,2.27)

1.08(0.80,1.57)

< 0.001

1.26(0.87,1.97)

1.39(0.99,2.02)

< 0.001

CHOL, mmol/L

5.35 ± 1.11

5.39 ± 1.13

5.28 ± 1.08

< 0.001

5.19 ± 1.09

5.50 ± 1.11

< 0.001

HDL-c, mmol/L

1.35 ± 0.33

1.26 ± 0.29

1.49 ± 0.34

< 0.001

1.35 ± 0.32

1.36 ± 0.34

0.204

LDL-c,mmol/L

3.35 ± 0.85

3.42 ± 0.85

3.25 ± 0.85

< 0.001

3.24 ± 0.84

3.47 ± 0.85

< 0.001

SOD, U/mL

158.67 ± 32.55

161.33 ± 36.06

154.57 ± 25.72

< 0.001

162.81 ± 21.05

154.48 ± 40.59

< 0.001

eGFR,ml/min.1.73m²

83.89 ± 15.04

82.50 ± 14.50

86.02 ± 15.60

< 0.001

88.55 ± 15.77

79.18 ± 12.63

< 0.001

SUA, μmol/L

369.00(307.00,436.75)

409.00[358.00,466.00]

305.00[263.00,353.00]

< 0.001

370.00[303.00,444.00]

367.50(310.00,429.00)

0.184

Glu, mmol/L

5.50 ± 1.58

5.65 ± 1.82

5.28 ± 1.09

< 0.001

5.26 ± 1.31

5.74 ± 1.78

< 0.001