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Table 3 Spearman correlation coefficients between organochlorine compounds (wet-based and lipid-based, n = 331) and their geometric means.

From: Immune function biomarkers in children exposed to lead and organochlorine compounds: a cross-sectional study

 

ΣPCBs

HCB

γ-HCH

Lipids ψ

Lipids §

DDE/lipid

ΣPCBs/lipid

HCB/lipid

γ-HCH/lipid

Geo-metric mean

DDE (μg/L)

0.61 p < 0.01

0.55 p < 0.01

0.16 p < 0.01

0.08 p = 0.09

0.06 p = 0.25

0.86 p < 0.01

0.51 p < 0.01

0.46 p < 0.01

0.14 p < 0.01

0.32

ΣPCBs (μg/L)

 

0.76 p < 0.01

0.04 p = 0.40

0.04 p = 0.65

0.05 p = 0.34

0.59 p < 0.01

0.90 p < 0.01

0.70 p < 0.01

0.09 p = 0.11

0.50

HCB (μg/L)

  

0.07 p = 0.19

0.03 p = 0.63

0.04 p = 0.47

0.54 p < 0.01

0.74 p < 0.01

0.83 p < 0.01

0.09 p = 0.11

0.22

γ-HCH (μg/L)

   

0.15 p = 0.01

0.11 p < 0.05

0.13 p = 0.02

0.05 p = 0.34

0.03 p = 0.64

0.88 p < 0.01

0.02

DDE, lipid-based Ψ (ng/g)

      

0.63 p < 0.01

0.63 p < 0.01

0.23 P < 0.01

103.03

ΣPCBs, lipid-based Ψ (ng/g)

       

0.81 p < 0.01

0.14 p = 0.01

164.99

HCB, lipid-based Ψ (ng/g)

        

0.16 p < 0.01

70.72

HCH, Lipid-based Ψ (ng/g)

         

6.65

  1. Ψ total lipids calculated as sum of cholesterol and triglycerides
  2. §total lipids calculated using formula 2 of Phillips et al.[28].
  3. rank correlation between total lipids from both formulae was (rSpearman = 0.95).
  4. ΣPCBs sum of PCB congeners 101, 118, 138, 153, 170, 180, 183, 187