Table 1 Baseline characteristics of the all population

Total, n

69

71

Age, year

36.17 ± 4.10

36.6 ± 5.60

0.52

0.61

Gender, male%

100

100

Weight, kg

73.20 ± 5.50

73.0 ± 11.30

0.13

0.89

BMI, kg/m²

24.40 ± 1.40

24.8 ± 3.00

1.00

0.32

Daily salt intake, g/day

5.31 ± 1.22

5.26 ± 0.95

0.27

0.79

FBG, mmol/L

4.76 ± 0.90

4.7 ± 0.40

0.51

0.61

Fasting TC, mmol/L

3.90 ± 0.40

3.8 ± 0.70

1.03

0.30

Fasting HDL, mmol/L

1.10 ± 0.10

1.2 ± 0.20

1.31

0.19

Fasting LDL, mmol/L

2.90 ± 0.30

3.0 ± 0.70

1.09

0.28

Fasting TG, mmol/L

1.50 ± 0.50

1.4 ± 0.60

1.07

0.29

Creatinine, mcmol/L

79.10 ± 11.60

78.2 ± 11.20

0.47

0.62

CRP, mmol/L

1.00 ± 0.50

1.5 ± 1.70

2.33

0.02

Home blood pressure

 SBP, mmHg

125.1 ± 7.7

143.6 ± 7.4

− 14.53

0.0001

 DBP, mmHg

73.2 ± 5.56

89.0 ± 5.8

− 16.50

0.0001

 Heart rate, bpm

73.2 ± 5.0

74.9 ± 8.1

− 1.48

0.14