Table 1.
Descriptive statistics and comparative analysis of oxidative stress parameters among the studied groups of males.
| Parameter | Fertile Men n = 30 |
Professional Drivers n = 61 |
Infertile Men with Varicocele n = 101 |
Infertile Men Not Exposed to Genital Heat Stress n = 40 |
|---|---|---|---|---|
| Total antioxidant capacity (µM) | 1916.50 (1583–2451) 1981.78 ± 247.82 |
1744 (890–2356) b 1686.7 ± 336.83 |
1770.50 (636–2459) a 1746.56 ± 336.58 |
1823.50 (1114–2246) 1810.66 ± 277.76 |
| Catalase activity (U/mL) | 12.63 (3.43–22.08) 12.45 ± 4.29 |
17.13(4.00–40.22) a 17.70 ± 7.55 |
17.52 (2.66–80.14) b 19.02 ± 10.47 |
16.01 (3.42 = 32.68) 16.24 ± 7.07 |
| SOD activity (nM/min/mL) | 2.70 (0.74–10.08) 2.76 ± 1.18 |
2.77 (0.36–8.48) 2.75 ± 1.07 |
2.68 (0.22–8.06) 2.75 ± 0.97 |
2.68 (0.15–8.23) 2.65 ± 1.22 |
| MDA concentration (µM/mL) | 3.16 (1.82–5.09) 3.22 ± 0.82 |
3.66 (1.71–7.21) 3.43 ± 1.18 |
3.12 (1.14–8.12) 3.25 ± 1.09 |
3.15 (1.01–5.30) 3.21 ± 0.97 |
Data are expressed as median (range) and mean ± SD; MDA—malondialdehyde; SOD—superoxide dismutase; a (p < 0.01), b (p < 0.001) calculated using Dunn test with Holm’s correction compared to the control group.