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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)