Table 3 Adjusted a regression coefficients for change in semen parameters and sperm DNA fragmentation associated with sperm DNA-PAH adducts categories
Variables | Sperm PAH-DNA adducts | |||
|---|---|---|---|---|
Tertile 1 | Tertile 2 | Tertile 3 | Tertile 4 | |
|  | (n = 108) | (n = 108) | (n = 109) | (n = 108) |
Semen quality parameters | Â | Â | Â | Â |
Seminal volume (ml) | Reference | −0.31 (−0.74, 0.13) | −0.18 (−0.62, 0.25) | −0.11 (−0.55, 0.33) |
Concentration (106/ml)b | Reference | −0.33 (−0.65, -0.01)* | −0.37 (−0.70, -0.04)* | −0.69 (−1.02, -0.36)* |
Sperm count (106/ml)b | Reference | −0.24 (−0.60, 0.10) | −0.36 (−0.72, 0.01) | −0.90 (−1.26, -0.53)* |
Motility (% motile) | Reference | −4.63 (−11.16, 1.90) | −4.04 (−10.83, 2.76) | −10.87 (−17.74, -4.00)* |
CASA motion parameters | Â | Â | Â | Â |
  VSL (μm/s) | Reference | −1.30 (−4.08, 1.47 ) | −1.93 (−4.87, 1.01) | −5.58 (−11.26, 0.10) |
  VCL (μm/s) | Reference | −1.62 (−5.15, 1.91) | −1.95 (−5.60, 1.70) | −8.48 (−11.97, -5.00)* |
  LIN (%) | Reference | −1.82 (−5.11, 1.46) | 0.86 (−2.45, 4.16 ) | −2.89 (−6.22, 0.44) |
DNA Fragmentation (%) b | Reference | 0.25 (−0.02, 0.52) | 0.21 (−0.07, 0.49) | 0.48 (0.20, 0.76)* |