Table 3.
Estimated change in semen variablesa of all 105 men with a change in PFAA of 1 ng/mL (95% CI).
| Variable | PFOS | PFOA | PFAA sumb |
|---|---|---|---|
| lnSemen volume | 0.000 (−0.012 to 0.011) | −0.002 (−0.070 to 0.066) | 0.000 (−0.010 to 0.010) |
| lnSperm concentration | −0.020 (−0.044 to 0.005) | −0.080 (−0.230 to 0.066) | −0.018 (−0.040 to 0.004) |
| lnTotal sperm count | −0.018 (−0.045 to 0.010) | −0.074 (−0.230 to 0.086) | −0.016 (−0.041 to 0.008) |
| lnSperm motility | −0.006 (−0.019 to 0.007) | −0.027 (−0.110 to 0.053) | −0.006 (−0.018 to 0.007) |
| Morphology | −0.085 (−0.200 to 0.026) | −0.540 (−1.200 to 0.110) | −0.082 (−0.181 to 0.018) |
CI, confidence interval.
a
Volume, concentration, and total count were adjusted for duration of abstinence, motility was adjusted for time between ejaculation and semen analysis, and morphology was not adjusted for confounders.
b
Sum of mass concentrations of PFOS and PFOA (ng/mL).