Table 2.
Serum concentrations (in ng/mL) in the Faroese 7-year-old children (n = 103, collected in 1993–1994) and in the 14-year-old children (n=79, collected in 2000–2001)
| Analyte | Frequency of detection (%) | Mean (Median) | Range | |||
|---|---|---|---|---|---|---|
| 7 | 14 | 7 | 14 | 7 | 14 | |
| PFOS | 100 | 100 | 29.0 (26.3) | 33.0 (31.2) | 5.3,109.0 | 16.7, 65.2 |
| PFOA | 99 | 100 | 5.5 (5.0) | 4.4 (4.2) | <LOD, 16.1 | 2.3, 7.3 |
| PFOSA | 99 | 84 | 1.5 (1.3) | 0.4 (0.3) | <LOD, 6.6 | <LOD, 1.4 |
| Me-PFOSA-AcOH | 79 | 94 | 0.6 (0.4) | 0.5 (0.4) | <LOD, 4.9 | <LOD, 1.8 |
| Et-PFOSA-AcOH | 96 | 100 | 1.8(1.4) | 1.1 (1.0) | <LOD, 11.6 | 0.2, 4.2 |
| PFHxS | 98 | 100 | 0.8 (0.4) | 3.0 (2.9) | <LOD, 5.1 | 1.1, 5.5 |
| PFNA | 99 | 100 | 0.9 (0.8) | 0.9 (0.8) | <LOD, 4.8 | 0.4, 4.8 |
| PFDeA | 79 | 90 | 0.5 (0.3) | 0.4 (0.3) | <LOD, 5.2 | <LOD, 1.2 |