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Table 2 Distribution of telomere length (T/S ratio) in whole blood, per- and poly-fluoroalkyl substances (ng/mL), and polybrominated diphenyl ethers (ng/g lipid) in serum

From: Mixture effects of prenatal exposure to per- and polyfluoroalkyl substances and polybrominated diphenyl ethers on maternal and newborn telomere length

 

N

% Above MDL

% Machine Readable

Geometric Mean

Geometric SD

Percentiles

5%

25%

50%

75%

95%

Telomere Length

 Newborn

292

100

100

1.5

1.2

1.1

1.3

1.5

1.7

1.9

 Maternal

110

100

100

1.1

1.2

0.9

1.0

1.1

1.2

1.3

Per- and poly-fluoroalkyl substances (PFAS)

 PFNA

326

98.5

99.7

0.3

2.1

0.1

0.2

0.3

0.5

0.9

 PFOA

326

100

100

0.8

2.0

0.3

0.5

0.8

1.2

2.2

 PFHxS

326

100

100

0.4

2.2

0.1

0.2

0.3

0.6

1.5

 PFOS

326

100

100

2.0

2.1

0.6

1.2

2.0

3.2

6.1

 Me-PFOSA-AcOH

326

98.5

99.7

0.1

2.2

0.0

0.0

0.1

0.1

0.2

 PFDeA

326

74.2

92.3

0.1

2.3

0.0

0.1

0.1

0.2

0.5

 PFUdA

326

77.3

95.1

0.1

2.6

0.0

0.1

0.1

0.2

0.4

Polybrominated diphenyl ethers (PBDEs)

 BDE-47

326

99.7

100

10.7

2.1

3.6

6.8

9.6

15.7

36.9

 BDE-99

326

81.9

99.1

3.4

2.0

1.3

2.4

3.2

4.9

10.4

 BDE-153

326

57.7

94.2

5.9

2.8

1.4

3.0

5.4

10.3

35.9

 BDE-100

326

41.1

100

2.2

2.3

0.8

1.2

1.9

3.2

8.6

  1. Abbreviations: MDL Method detection limit, SD Standard deviation
  2. Note: Geometric mean, geometric SD, and percentile values use the machine read value if it was available. If there was no machine read value, it was replaced with MDL/square root of 2. There are 326 pregnant participants, of which there are 76 matched maternal–fetal unit pairs