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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