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Table 3 Seminal antioxidant status and MDA concentrations of the different studied groups

From: Impact of seminal trace element and glutathione levels on semen quality of Tunisian infertile men

Parameters Fertile (n = 60) Astheno (n = 74) Oligo (n = 56) Terato (60)   P-Value  
      Fertile Vs. Astheno Fertile Vs. Oligo Fertile VS. Terato
Zinc (mg/l) 144 ± 42.13 122 ± 34.69 120.51 ± 25.33 126 ± 24.82 0.02 0.008 0.04
Mean ± SD Min-Max 49.00-239 54.00-190 46.52-94.55 52-200    
Selenium (μg/l) 64 ± 20.64 56.00 ± 22.81 55.00 ± 21.44 57.00 ± 24.31 NS NS NS
Mean Min-Max 44.00-84.00 30.00-72.00 41.00-69.00 36.00-76.00    
GSHt (μmol/l) 57.00 ± 19.54 38.41 ± 23.92 52.86 ± 7.08 45.77 ± 17.62 < 0.001 NS 0.002
Mean ± SD Min-Max 25.63-99.55 7.18-96.84 43.88-60.86 14.22-68.45    
GSSG (μmol/l) 22.81 ± 13.38 21.89 ± 12.67 24.84 ± 11.75 9.74 ± 5.82 NS NS < 0.001
Mean ± SD Min-Max 0.00-55.19 2.63-79.07 8.82-43.86 2.27-35.53    
GSHr 34.27 ± 14.91 16.63 ± 12.83 28.00 ± 14.22 36.00 ± 16.71 < 0.001 NS NS
Mean ± SD Min-Max 19.00-55.00 13.00-31.00 13.85-43.00 19.00-42.00    
MDA (μmol/l) 2.30 ± 0.94 3.52 ± 1.93 3.21 ± 1.37 3.64 ± 1.73 0.002 0.004 < 0.001
Mean ± SD Min-Max 1.37-2.33 2.21-4.83 2.28-4.29 2.66-4.68    
  1. Note: Astheno = Asthenozoospermics, Oligo = Oligozoospermics, Terato = Teratozoospermics, GSHt = Total glutathione, GSSG = Oxidized glutathione, GSHr = reduced glutathione, MDA = Malondialdehyde acid, Max = maximum, Min = minimum, ml = millilitre, SD = Standard Deviation, NS = Not significant. Data are expressed as means ± SD. P ≤ 0.05 = significant.