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Table 1 Mean blood concentrations pg/mL (95 % CI) of 11 chemicals (6 PCBs together) in 200 Finnish and Russian children and mothers

From: Common environmental chemicals do not explain atopy contrast in the Finnish and Russian Karelia

  FIN children RUS children FIN mothers RUS mothers
HCB 52.4 (42.4–62.3) 177.2 (150.6–203.7) 72.1 (61.6–82.6) 275.1 (225.3–324.9)
β-HCH 16.7 (6.65–26.7) 191.6 (151.4–231.9) 23.4 (18.6–28.3) 482.2 (329.2–635.3)
DDT 15.1 (10.8–19.5) 149.1 (121.2–176.9) 20.1 (15.3–24.9) 180.5 (145.5–215.4)
DDE 211.5 (130.8–292.2) 1294.6 (1111.3–1477.9) 424.3 (273.1–575.5) 2593.2 (2003.5–3182.9)
BDE47 19.0 (10.9–27.2) 3.5 (2.5–4.5) 17.8 (4.14–31.4) 4.1 (2.7–5.4)
PCBs 264.2 (194.6–333.8) 582.7 (495.5–669.9) 593.5 (501.5–685.6) 1241.6 (1037.8–1445.3)
  1. All concentrations were significantly higher in the Russian subjects, with the exception of BDE47, the concentration of which was significantly higher in the Finnish subjects. All p values from Mann–Whitney test, comparing Finnish and Russian children and mothers, were <0.01