Items | T = 0 h | T = 2 h | T = 4 h | P-value |
---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | ||
Intracellular superoxides | ||||
 Sperm with high superoxides, %E+ | 47.94 ± 9.09 | 54.26 ± 8.51* | 55.78 ± 9.33* | < 0.01 |
  Viable sperm with high superoxides, %E+/YO-PRO-1− | 4.04 ± 2.87 | 3.03 ± 1.60 | 0.85 ± 0.62*# | < 0.01 |
  Viable sperm with low superoxides, %E−/YO-PRO-1− | 47.31 ± 8.78 | 43.31 ± 8.18* | 41.60 ± 9.08* | < 0.01 |
  Non-viable sperm with high superoxides, %E+/YO-PRO-1+ | 43.91 ± 8.75 | 51.23 ± 8.83* | 54.93 ± 9.56* | < 0.01 |
  Non-viable sperm with low superoxides, %E−/YO-PRO-1+ | 4.75 ± 3.78 | 2.43 ± 0.57* | 2.62 ± 0.75* | < 0.05 |
Intracellular ROS | ||||
 Sperm with high ROS, %DCF+ | 6.13 ± 4.83 | 4.51 ± 3.24 | 2.44 ± 2.31*# | < 0.01 |
  Viable sperm with high ROS, %DCF+/PI− | 5.61 ± 4.79 | 3.96 ± 3.24 | 1.91 ± 2.30*# | < 0.01 |
  Viable sperm with low ROS, %DCF−/PI− | 44.84 ± 10.31 | 36.69 ± 9.58* | 33.91 ± 12.98* | < 0.0001 |
  Non-viable sperm with high ROS, %DCF+/PI+ | 0.52 ± 0.09 | 0.55 ± 0.08 | 0.53 ± 0.08 | n.s. |
  Non-viable sperm with low ROS, %DCF−/PI+ | 49.03 ± 10.82 | 58.79 ± 8.90* | 63.65 ± 13.23*# | < 0.0001 |
Intracellular calcium | ||||
 Sperm with high intracellular calcium, %F3+ | 59.66 ± 18.09 | 79.00 ± 10.28* | 89.26 ± 9.27*# | < 0.01 |
  Viable sperm with high intracellular calcium, %F3+/PI− | 13.46 ± 13.84 | 23.06 ± 11.60 | 27.88 ± 14.50*# | < 0.05 |
  Viable sperm with low intracellular calcium, %F3−/PI− | 37.42 ± 16.94 | 20.07 ± 9.92* | 10.19 ± 9.02*# | < 0.001 |
  Non-viable sperm with high intracellular calcium, %F3+/PI+ | 46.20 ± 9.69 | 55.94 ± 8.49* | 61.38 ± 10.70*# | < 0.001 |
  Non-viable sperm with low intracellular calcium, %F3−/PI+ | 2.92 ± 2.37 | 0.93 ± 0.83* | 0.56 ± 0.39* | < 0.001 |