Table 1 Characteristics of individuals investigated in this study.

Age (year)

33.91 ± 6.05

31.66 ± 5.97

31.25 ± 5.17

31.15 ± 5.10

30.96 ± 5.11

Sperm density (/ml)

8.66 ± 7.65

52.07 ± 39.99

N/A

13.60 ± 10.46

68.18 ± 40.50

Sperm count

59.83 ± 112.45

190.47 ± 126.27

N/A

66.84 ± 42.68

228.46 ± 118.63

pH

7.28 ± 0.14

7.27 ± 0.18

N/A

7.31 ± 0.19

7.31 ± 0.15

PR^a

12.50 ± 7.77

20.63 ± 9.76

N/A

22.60 ± 13.29

45.88 ± 13.05

NP^b

10.79 ± 8.79

15.75 ± 6.99

N/A

12.64 ± 6.51

19.70 ± 6.42

IM^c

72.31 ± 20.76

63.74 ± 14.29

N/A

65.81 ± 18.84

N/A