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Table 2 Lipid adjusted concentrations and congener distributions of PBDE in maternal serum (n = 316)

From: Predictors of serum concentrations of polybrominated flame retardants among healthy pregnant women in an urban environment: a cross-sectional study

Congener N % > LOD Median LOD ng/g serum lipid)a Median (ng/g serum lipid)b Range (ng/g serum lipid) Congener distribution (median %)c
PBDE-17 298 6.7 0.50 0.35 ND-1.8 1.69
PBDE-28 316 45.6 0.50 0.42 ND-63.7 2.03
PBDE-47 316 99.1 1.20 7.90 ND-1600 38.15
PBDE-66 316 3.2 0.50 0.35 ND-2.5 1.69
PBDE-85 316 24.7 0.70 0.35 ND-38.3 1.69
PBDE-99 316 83.5 0.50 1.60 ND-377 7.73
PBDE-100 316 91.1 0.50 1.70 ND-301 8.21
PBDE-153 315 98.4 0.50 2.95 ND-206 14.24
PBDE-154 316 14.6 0.50 0.35 ND-34.1 1.69
PBDE-183 316 15.5 0.50 0.35 ND-2.9 1.69
PBDE-209 311 19.3 5.40 4.04 ND-38.2 19.51
PBB-153 314 38.9 0.50 0.35 ND-84.3 1.69
  1. ND = non detect. The concentration of PBDE measured was less than the limit of detection (LOD).
  2. aMedian LOD. LODs differed between individuals due to the amount of sample collected provided for analysis, sample quantity ranged from 0.374-2.002 g, mean ± se = 1.898 ± 0.009.
  3. bFor samples with PBDE concentrations < LOD, the value of LOD/sqrt 2 was substituted.
  4. cPBDE congener distribution (median %) calculated as the percent contribution of the sum of 12 congeners to the total sum of median congener concentrations (ΣPBDE).