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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

 CasesControlsAll*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