Table 1 Demographic characteristics of healthy volunteers at the baseline

Subject (n)

10

10

10

P > 0.05

 1. Male

3

3

4

P > 0.05

 2. Female

7

7

6

P > 0.05

Age (year)

27.2 ± 2.4

26.0 ± 2.9

25.4 ± 2.2

P > 0.05

Height (cm)

163.67 ± 8.34

164.92 ± 7.83

166.11 ± 6.92

P > 0.05

Weight (kg)

62.04 ± 12.28

61.17 ± 9.88

63.11 ± 11.33

P > 0.05

BMI (kg/m²)

23.07 ± 3.75

22.45 ± 2.30

22.78 ± 3.37

P > 0.05

Platelet × 10⁵ (per ml of WB)

2.19 ± 0.55

2.21 ± 0.62

2.50 ± 0.39

P > 0.05

Plasma nitrate (μmole/L)

30.16 ± 4.31

36.43 ± 5.32

30.35 ± 1.78

P > 0.05

Plasma nitrite (nmole/L)

124.04 ± 9.31

106.87 ± 18.40

140.12 ± 2.11

P > 0.05

Plasma cGMP (nmole/L)

5.37 ± 0.50

5.613 ± 2.15

6.97 ± 2.50

P > 0.05

Serum K⁺ (mmole/L)

3.98 ± 0.132

4.09 ± 0.10

4.01 ± 0.08

P > 0.05