Table 2.
Descriptive statistics presented as median (IQR)
| Maternal blood | Cord blood | Cord tissue | ||||
|---|---|---|---|---|---|---|
| Contaminant | N | Median (IQR) | N | Median (IQR) | N | Median (IQR) |
| 2,3,7,8-TeCDD | 34 | 0.76 (0.66–0.96) | 4 | 1.0 (0.96–1.0) | 14 | 0.83 (0.73–1.1) |
| 1,2,3,7,8-PeCDD | 41 | 3.7 (2.7–4.3) | 36 | 2.0 (1.6–2.5) | 40 | 3.8 (2.9–5.0) |
| 1,2,3,4,7,8-HxCDD | 39 | 0.16 (0.12–0.2) | 4 | 0.15 (0.14–0.17) | 15 | 0.15 (0.12–0.16) |
| 1,2,3,6,7,8-HxCDD | 41 | 1.5 (1.1–1.8) | 41 | 0.68 (0.56–0.8) | 41 | 0.94 (0.67–1.1) |
| 1,2,3,7,8,9-HxCDD | 41 | 0.23 (0.18–0.3) | 32 | 0.18 (0.14–0.21) | 24 | 0.23 (0.17–0.3) |
| 1,2,3,4,6,7,8-HpCDD | 41 | 0.11 (8.7e-2–0.16) | 41 | 4.6e-2 (3.5e-2–6.8e-2) | 41 | 6.3e-2 (5.2e-2–8.5e-2) |
| OCDD | 41 | 1.6e-2 (1.2e-2–2.3e-2) | 41 | 4.1e-3 (2.7e-3–5.8e-3) | 41 | 5e-3 (4.3e-3–7.5e-3) |
| 2,3,7,8-TeCDF | 40 | 7.8e-2 (6.6e-2–9.4e-2) | 24 | 7.3e-2 (6.4e-2–8.9e-2) | 15 | 7.8e-2 (5.1e-2–0.11) |
| 1,2,3,7,8-PeCDF | 21 | 2.0e-2 (1.7e-2–2.4e-2) | 5 | 2.8e-2 (2.7e-2–3.2e-2) | 6 | 0.02 (1.8e-2–2.7e-2) |
| 2,3,4,7,8-PeCDF | 41 | 3.1 (2.6–4.2) | 41 | 1.5 (1.2–2) | 41 | 3.1 (2.5–3.9) |
| 1,2,3,4,7,8-HxCDF | 41 | 0.25 (0.21–0.33) | 39 | 0.14 (0.11–0.18) | 40 | 0.27 (0.22–0.31) |
| 1,2,3,6,7,8-HxCDF | 41 | 0.33 (0.29–0.45) | 41 | 0.23 (0.18–0.3) | 41 | 0.31 (0.24–0.36) |
| 1,2,3,7,8,9-HxCDF | 0 | – | 0 | – | 0 | – |
| 2,3,4,6,7,8-HxCDF | 39 | 0.14 (9.8e-2–0.18) | 16 | 0.11 (0.1–0.12) | 29 | 0.12 (8.9e-2–0.16) |
| 1,2,3,4,6,7,8-HpCDF | 41 | 2.3e-2 (1.9e-2–3.4e-2) | 39 | 1.7e-2 (1.4e-2–2.4e-2) | 39 | 2.4e-2 (1.8e-2–2.8e-2) |
| 1,2,3,4,7,8,9-HpCDF | 0 | – | 0 | – | 0 | – |
| OCDF | 3 | 1.4e-4 (1.3e-4–1.4e-4) | 0 | – | 0 | – |
| 10 (8.2–13) | 4.8 (3.5–5.1) | 9.6 (7.0–12) | ||||
| 3,3’,4,4’-TeCB(#77) | 41 | 5.3e-4 (4.2e-4–6.6e-4) | 40 | 3.8e-4 (3.1e-4–5.2e-4) | 40 | 3.8e-4 (3.1e-4–5.3e-4) |
| 3,4,4’,5-TeCB(#81) | 41 | 1.1e-4 (8.5e-5–1.6e-4) | 18 | 9.2e-5 (7.6e-5–1.1e-4) | 33 | 1.3e-4 (9.4e-5–1.7e-4) |
| 2,3,3’,4,4’-PeCB(#105) | 41 | 0.1 (7.1e-2–0.15) | 41 | 4.9e-2 (3.1e-2–6.8e-2) | 41 | 0.075 (0.06–0.11) |
| 2,3,4,4’,5-PeCB(#114) | 41 | 0.12 (9.5e-2–0.2) | 41 | 5.8e-2 (4.0e-2–9.0e-2) | 41 | 9.2e-2 (7.9e-2–0.13) |
| 2,3’,4,4’,5-PeCB(#118) | 41 | 0.48 (0.31–0.64) | 41 | 0.21 (0.14–0.33) | 41 | 0.35 (0.24–0.44) |
| 2’,3,4,4’,5-PeCB(#123) | 41 | 6.9e-3 (5.2e-3–9.3e-3) | 41 | 3.4e-3 (2.7e-3–5.8e-3) | 41 | 5.4e-3 (3.8e-3–7.2e-3) |
| 3,3’,4,4’,5-PeCB(#126) | 41 | 2.5 (1.8–3.3) | 41 | 1 (0.76–1.5) | 41 | 1.7 (1.3–2.3) |
| 2,3,3’,4,4’,5-HxCB(#156) | 41 | 0.81 (0.58–1.2) | 41 | 0.27 (0.2–0.44) | 41 | 0.46 (0.39–0.62) |
| 2,3,3’,4,4’,5’-HxCB(#157) | 41 | 0.2 (0.15–0.3) | 41 | 0.08 (5.9e-2–0.13) | 41 | 0.12 (0.10–0.17) |
| 2,3’,4,4’,5,5’-HxCB(#167) | 41 | 6e-3 (4.5e-3–8.2e-3) | 41 | 2.3e-3 (1.8e-3–3.5e-3) | 41 | 3.6e-3 (2.6e-3–4.7e-3) |
| 3,3’,4,4’,5,5’-HxCB(#169) | 41 | 0.22 (0.18–0.29) | 41 | 7.6e-2 (5.8e-2–0.10) | 41 | 0.12 (9.8e-2–0.15) |
| 2,3,3’,4,4’,5,5’-HpCB(#189) | 41 | 1.8e-2 (1.4e-2–2.4e-2) | 41 | 5.1e-3 (4.0e-3–7.6e-3) | 41 | 8.1e-3 (6.6e-3–1.0e-2) |
| 4.6 (3.3–6.0) | 1.8 (1.2–2.5) | 3.0 (2.2–3.7) | ||||
| 15 (12–19) | 6.8 (4.6–8.1) | 13 (9.6–16) | ||||
N is the number of observations above the LOD. x e±y means x ⋅ 10±y. All units are pg-TEQ/g-fat