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Table 2 Distribution of PBDE and PBB-153 levels (ng/L plasma and ng/gr lipids) in plasma samples collected among 394 study participants between 1994 and 1999, E3N cohort

From: Plasma concentration of brominated flame retardants and postmenopausal breast cancer risk: a nested case-control study in the French E3N cohort

 

Cases

Controls

All

*P value

 

mean (sd)

median (min-max)

mean (sd)

median (min-max)

mean (sd)

median (min-max)

PBDE sum (ng/L plasma)

10.66 (10.46)

8.43 (2.62–100.21)

11.06 (14.22)

8.37 (3.04–165.65)

10.86 (12.47)

8.4 (2.62–165.65)

0.67

PBDE sum (ng/gr lipids)

1.96 (1.73)

1.59 (0.42–17.38)

2.07 (2.75)

1.55 (0.57–31.02)

2.01 (2.29)

1.56 (0.42–31.02)

0.74

BDE-28 (ng/L plasma)

2.14 (4.07)

0.23 (0.03–2.99)

2.30 (4.80)

0.22 (0.03–3.9)**

2.20 (4.44)

0.22 (0.03–3.9)

0.49

BDE-28 (ng/gr lipids)

0.39 (0.79)

0.04 (0.01–0.71)

0.42 (0.79)

0.04 (0.01–0.73)

0.41 (0.79)

0.04 (0.01–0.73)

0.38

BDE-47 (ng/L plasma)

1.25 (1.29)

3.26 (0.39–63.95)

1.36 (1.80)

3.21 (0.85–82.65)

1.30 (1.56)

3.26 (0.39–82.65)

0.89

BDE-47 (ng/gr lipids)

0.23 (0.21)

0.63 (0.07–11.4)

0.25 (0.35)

0.60 (0.17–15.48)

0.24 (0.29)

0.62 (0.07–15.48)

0.92

BDE-99 (ng/L plasma)

3.15 (1.49)

0.73 (0.12–14.46)

3.13 (1.55)

0.74 (0.16–47.02)

3.14 (1.52)

0.74 (0.12–47.02)

0.35

BDE-99 (ng/gr lipids)

0.58 (0.25)

0.14 (0.02–2.54)

0.59 (0.31)

0.60 (0.17–15.48)

0.58 (0.28)

0.13 (0.02–8.81)

0.27

BDE-100 (ng/L plasma)

0.19 (0.15)

0.95 (0.13–12.28)

0.22 (0.32)

0.92 (0.23–15.85)

0.21 (0.25)

0.94 (0.13–15.85)

0.92

BDE-100 (ng/gr lipids)

0.04 (0.03)

0.17 (0.03–1.84)

0.04 (0.06)

0.18 (0.04–2.97)

0.04 (0.05)

0.18 (0.03–2.97)

0.87

BDE-153 (ng/L plasma)

0.33 (0.40)

2.84 (1.06–9.93)

0.33 (0.41)

2.84 (1.35–12.47)

0.33 (0.41)

2.84 (1.06–12.47)

0.85

BDE-153 (ng/gr lipids)

0.06 (0.08)

0.53 (0.22–1.76)

0.06 (0.08)

0.53 (0.22–2.34)

0.06 (0.08)

0.53 (0.22–2.34)

0.71

BDE-154 (ng/L plasma)

4.62 (6.64)

0.16 (0.02–1.16)**

4.76 (7.52)

0.15 (0.02–3.76)**

4.69 (7.09)

0.16 (0.02–3.76)

0.61

BDE-154 (ng/gr lipids)

0.84 (1.11)

0.03 (0–0.17)

0.89 (1.46)

0.03 (0–0.7)

0.86 (1.29)

0.03 (0–0.7)

0.52

PBB-153 (ng/L plasma)

1.12 (1.59)

1.59 (0.62–57.06)

1.27 (3.62)

1.66 (0.68–66.7)

1.20 (2.80)

1.64 (0.62–66.7)

0.76

PBB-153 (ng/gr lipids)

0.21 (0.27)

0.30 (0.12–11.12)

0.24 (0.69)

0.31 (0.11–10.94)

0.22 (0.53)

0.31 (0.11–11.12)

0.62

  1. * Kruskal–Wallis test
  2. ** minimum value = limit of detection