Table 1 Semen parameters in fertile men and infertile patients

Age (y)

34.2 ± 7.5

34.6 ± 6.9

0.76

Volume (mL)

3.6 ± 1.4

3.2 ± 1.5

0.68

Concentration (10⁶/mL)

53.60 ± 46.98

29.77 ± 33.09

0.005

Motility (%)

47.7 ± 13.7

39.6 ± 19.2

0.13

Normal morphology (Strict criteria %)

7.7 ± 2.6

2.1 ± 1.5

<0.001

ROS (RLU/s/10⁶ sperm)*

27.7 (4.6, 45.9)

174.4 (0, 982.9)

0.024