Table 2.
Spearman correlation coefficients (with p-values in parentheses) between the different PFAS compounds a in early pregnancy among 296 preeclampsia cases and 580 controls.
| Cases | PFOA | PFOS | PFNA |
|---|---|---|---|
| PFOS | 0.68 (<0.001) | ||
| PFNA | 0.28 (<0.001) | −0.06 (0.28) | |
| PFHxS | 0.54 (<0.001) | 0.57 (<0.001) | 0.26 (<0.001) |
| Controls | |||
| PFOS | 0.68 (<0.001) | ||
| PFNA | 0.39 (<0.001) | 0.14 (0.001) | |
| PFHxS | 0.64 (<0.001) | 0.63 (<0.001) | 0.40 (<0.001) |
a PFOA: perfluorooctanoic acid; PFOS: perfluorooctane sulfonate; PFNA: perfluorononanoic acid; and PFHxS: perfluorohexane sulfonate.