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Table 2 Pearson correlations for the 5- and 7 year PFAS concentrations. Shown are also the median (IQR) PFAS concentrations

From: Structural equation modeling of immunotoxicity associated with exposure to perfluorinated alkylates

   Pairwise correlation at age 7 year
Compound PFAS concentration, ng/mL, median (IQRa) PFOS PFOA PFHxS
Age 5 year     
PFOS 17.3 (14.2,21.3) 0.77 0.06 0.43
PFOA 4.1 (3.3, 5.0) 0.34 0.61 0.39
PFHxS 0.6 (5.0, 0.9) 0.40 0.27 0.85
Age 7 year     
PFOS 15.5 (12.8, 19.2) 1   
PFOA 4.4 (3.5, 5.7) 0.29 1  
PFHxS 0.5 (0.4,0.7) 0.50 0.34 1
  1. aIQR Inter quartile range