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Table 2 Semen parameters in fertile men and low medium and high ROS in infertile patients

From: Impact of precise modulation of reactive oxygen species levels on spermatozoa proteins in infertile men

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
  1. aP value comparison between donors and low ROS patients.
  2. bP value comparison between donors and medium ROS patients.
  3. cP value comparison between donors and high ROS patients by Wilcoxon-rank sum test.