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Table 2 Descriptive statistics for PFASs in maternal and cord blood plasma (wet weight—μg/L)

From: Concentrations of persistent organic pollutants in maternal and cord blood from the maternal-infant research on environmental chemicals (MIREC) cohort study

Contaminant Aliquot N LOD % < LOD Min Median 95th Percentile Max KM Median 95 % CI GM MLE 95 % CI
PFHxS Maternal 1940 0.3 5.31 ND 1 4.3 40 1 0.96 1.05 1.03 0.99 1.07
Cord 1385 0.3 77.11 ND ND 0.626 1.9 NA NA NA NA NA NA
PFOA Maternal 1940 0.1 0.15 ND 1.7 4.1 16 1.7 1.65 1.75 1.65 1.60 1.69
Cord 1384 0.3 36.42 ND 0.39 1.1 5.6 0.39 0.37 0.41 0.35 0.33 0.36
PFOS Maternal 1940 0.3 0.15 ND 4.6 11 36 4.6 4.47 4.73 4.56 4.45 4.68
Cord 1385 0.3 52.27 ND ND 1.5 5.8 NA NA NA NA NA NA
  1. ND Non-detects (value below the limit of detection)
  2. NA Non-applicable (KM median and GM MLE of contaminants with less than 50 % of observations detected were not calculated)