Table 2 Distribution of serum PFASs and thyroid hormones in the population of pregnant women (n = 379).
Analytes (ng/mL) | LOD (ng/mL) | Detection frequency (%) | Arithmetic mean | 5th | 25th | 50th | 75th | 95th |
|---|---|---|---|---|---|---|---|---|
PFOA | 0.156 | 100 | 1.41 | 0.19 | 0.77 | 1.40 | 2.05 | 2.96 |
PFOS | 0.080 | 97.7 | 3.10 | 0.39 | 1.65 | 3.08 | 4.69 | 7.38 |
PFNA | 0.120 | 100 | 1.64 | 0.18 | 0.65 | 1.55 | 2.38 | 6.54 |
PFDA | 0.076 | 100 | 0.96 | 0.08 | 0.42 | 0.87 | 1.51 | 2.64 |
PFHxS | 0.082 | 86.5 | 1.30 | < LOD | 0.52 | 1.12 | 1.89 | 3.95 |
PFHpS | 0.096 | 97.2 | 1.10 | 0.12 | 0.46 | 0.87 | 1.48 | 3.75 |
FPOSA | 0.062 | 92.6 | 5.70 | < LOD | 2.49 | 5.21 | 8.35 | 12.82 |
PFHpA | 0.080 | 41.2 | 2.18 | < LOD | < LOD | < LOD | 1.58 | 3.09 |
Thyroid hormones | ||||||||
TSH (mlU/L) | 1.56 | 0.89 | 1.40 | 1.62 | 2.08 | 2.86 | ||
FT3 (pmol/L) | 4.68 | 2.40 | 4.38 | 4.68 | 5.42 | 6.82 | ||
FT4 (pmol/L) | 14.82 | 10.56 | 13.28 | 14.48 | 15.08 | 17.42 | ||
TT3(nmol/L) | 1.20 | 0.95 | 1.14 | 1.28 | 1.38 | 1.86 | ||
TT4 (nmol/L) | 132.8 | 124.6 | 130.2 | 133.5 | 134.8 | 140.8 | ||
TG (nmol/L) | 14.3 | 11.8 | 12.9 | 13.8 | 15.2 | 17.0 | ||