Table 1.
Concentration (ng/ml) | Median | AM | Range | LOD | %>LOD |
---|---|---|---|---|---|
PFOS | |||||
Total sample N=270 | 19 | 21 | 5.7-84 | 0.01-2.1 | 100 |
High group N=42 | 37 | 40 | 31-84 | ||
Low group N=228 | 18 | 18 | 5.4-30 | ||
PFOA | |||||
Total sample N=270 | 4.4 | 5.1 | 0.79-21 | 0.11-1.6 | 100 |
High group N=32 | 9.2 | 11 | 7.3-21 | ||
Low group N=238 | 2.9 | 2.8 | 0.79-7.2 | ||
PFHxS | |||||
Total sample N=270 | 0.97 | 1.3 | 0.15-13 | 0.01-1.2 | 94 |
High group N=46 | 2.7 | 3.4 | 1.7-13 | ||
Low group N=224 | 0.87 | 0.9 | 0.15-1.6 |
PFOS, Perfluorooctane sulfonate; PFOA, perfluorooctanoate; PFHxS, perfluorohexane sulfonate; AM, Arithmetic mean; LOD, Method limit of detection; %>LOD, Proportion of samples with concentrations > LOD