Spearman correlation between each perfluoroalkyl substances (n=3070)
| PFASs | PFOA | PFOS | PFHxS | Me-PFOSA-AcOH | PFNA | PFDeA | PFUA |
|---|---|---|---|---|---|---|---|
| correlation coefficients | correlation coefficients | correlation coefficients | correlation coefficients | correlation coefficients | correlation coefficients | correlation coefficients | |
| PFOA | 1 | 0.686 |
0.636 |
0.309 |
0.634 |
0.444 |
0.134 |
| PFOS | 1 | 0.689 |
0.339 |
0.670 |
0.578 |
0.337 |
|
| PFHxS | 1 | 0.252 |
0.449 |
0.292 |
0.118 |
||
| Me-PFOSA-AcOH | 1 | 0.166 |
0.100 |
-0.035 | |||
| PFNA | 1 | 0.765 |
0.546 |
||||
| PFDeA | 1 | 0.686 |
|||||
| PFUA | 1 |
*p<0.05, **p<0.01.
Me-PFOSA-AcOH: 2-(N-methyl-perfluorooctane sulfonamido) acetic acid, PFDeA: perfluorodecanoate, PFHxS: perfluorohexane sulfonate, PFNA: perfluorononanoate, PFOA: perfluorooctanoate, PFOS: perfluorooctane sulfonate, PFUA: perfluoroundecanoate