Table 1 Clinical characteristics of the recruited subjects

Age (years)

51.3 ± 6.1

50.6 ± 7.8

0.45

Male

4 (40%)

5 (50%)

0.65

BMI (kg/m²)

23.8 ± 0.8

24.9 ± 1.3

0.18

Systolic blood pressure (mmHg)

125.8 ± 7.6

117.0 ± 11.1

0.37

Diastolic blood pressure (mmHg)

72.3 ± 8.6

72.6 ± 8.4

0.86

Fasting plasma glucose (mmol/L)

4.7 ± 0.6

5.6 ± 0.8

0.10

Diabetes

1 (10%)

2 (20%)

0.53

Current smoking

2 (20%)

4 (40%)

0.33

Total cholesterol (mmol/L)

3.7 ± 0.5

4.9 ± 0.9

0.22

Triglyceride (mmol/L)

1.1 ± 0.4

1.3 ± 0.5

0.93

HDL cholesterol (mmol/L)

1.1 ± 0.2

1.2 ± 0.3

0.16

LDL cholesterol (mmol/L)

2.2 ± 0.3

3.0 ± 0.6

0.09

Creatinine (μmol/L)

76.6 ± 13.2

71.9 ± 13.5

0.80