Table 1 Comparison of semen parameters between the exposure and control groups.
Semen parameters | Exposure group | Control group | t/Z | P | ||
---|---|---|---|---|---|---|
N | \(\bar{X}\) ± S/M(IRQ) | N | \(\bar{X}\) ± S/M(IRQ) | |||
Semen volume (ml) | 515 | 3.20(1.90) | 89 | 3.20(1.95) | -0.387 | 0.699 |
Sperm concentration (×106/ml) | 515 | 49.28(58.93) | 89 | 57.67(54.34) | -1.940 | 0.052 |
Total sperm count (×106) | 515 | 159.58 (197.33) | 89 | 185.42 (231.28) | -2.031 | 0.042 |
Grade A sperm (%) | 515 | 5.37(10.51) | 89 | 8.45(16.34) | -2.610 | 0.009 |
Progressive motility (%) | 515 | 24.74 ± 14.96 | 89 | 28.73 ± 16.65 | 2.279 | 0.023 |
Total motility (%) | 515 | 32.04 ± 18.03 | 89 | 36.91 ± 20.86 | 2.297 | 0.022 |
Normal sperm morphology (%) | 210 | 4.00(3.00) | 48 | 4.00(3.00) | -1.417 | 0.156 |
Immature sperm nucleoprotein (%) | 175 | 25.00(11.00) | 43 | 25.00(15.00) | -0.978 | 0.328 |
Sperm DFI (%) | 320 | 17.50(18.88) | 64 | 11.75(18.95) | -2.171 | 0.030 |