Parameter | Fertile men (n = 17) | Low ROS (n = 17) | Medium ROS (n = 11) | High ROS (n = 14) | P value a | P value b | P value c |
---|---|---|---|---|---|---|---|
Age (y) | 34.2 ± 7.5 | 34.3 ± 4.8 | 33.8 ± 6.8 | 35.7 ± 9.0 | 0.73 | 0.96 | 0.71 |
Volume (mL) | 3.6 ± 1.4 | 2.7 ± 1.8 | 3.3 ± 1.4 | 3.8 ± 1.1 | 0.21 | 0.79 | 0.51 |
Concentration (106/mL) | 53.60 ± 46.98 | 33.49 ± 33.25 | 36.43 ± 32.56 | 20.02 ± 33.45 | 0.07 | 0.17 | 0.001 |
Motility (%) | 47.7 ± 13.7 | 40.1 ± 23.9 | 45.9 ± 11.3 | 34.0 ± 17.1 | 0.41 | 0.94 | 0.006 |
Normal morphology (Strict criteria %) | 7.7 ± 2.6 | 2.0 ± 1.4 | 1.6 ± 1.1 | 2.5 ± 1.8 | <0.001 | <0.001 | <0.001 |
ROS (RLU/s/106 sperm)* | 27.7 (4.6, 45.9) | 0 (0, 12.7) | 189.2 (131.5, 320.1) | 2003.2 (924.2, 9395) | 0.02 | <0.001 | <0.001 |