Variables | Sperm PAH-DNA adducts | P for trendb | |||
---|---|---|---|---|---|
Tertile 1 | Tertile 2 | Tertile 3 | Tertile 4 | ||
 | (n = 108) | (n = 108) | (n = 109) | (n = 108) |  |
Semen quality parameters | Â | Â | Â | Â | Â |
Seminal volume (ml) | 3.84 ± 1.67 | 3.53 ± 1.52 | 3.73 ± 1.47 | 3.80 ± 1.63 | 0.697 |
Concentration (106/ml)a | 4.14 ± 0.89 | 3.78 ± 1.08* | 3.70 ± 1.14* | 3.37 ± 1.44* | <0.001 |
Sperm count (106/ml)a | 5.31 ± 1.04 | 5.03 ± 1.16 | 4.90 ± 1.24 | 4.35 ± 1.57* | <0.001 |
Motility (% motile) | 52.35 ± 25.22 | 47.22 ± 27.44 | 47.98 ± 19.03 | 41.16 ± 22.56* | 0.004 |
CASA motion parameters | Â | Â | Â | Â | Â |
  VSL (μm/s) | 36.63 ± 12.49 | 35.46 ± 10.30 | 35.24 ± 7.50 | 33.88 ± 9.90 | 0.057 |
  VCL (μm/s) | 44.38 ± 18.33 | 42.95 ± 10.62 | 42.97 ± 11.71 | 35.85 ± 7.45* | <0.001 |
  LIN (%) | 58.88 ± 10.96 | 57.01 ± 12.28 | 59.48 ± 9.84 | 55.74 ± 14.26 | 0.234 |
DNA Fragmentation (%) a | 2.34 ± 0.95 | 2.37 ± 0.99 | 2.56 ± 1.04 | 2.84 ± 1.01* | <0.001 |