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Table 3 Results of sensitivity analyses using low-dose threshold models with no effect below the lowest observed exposures

From: Immunotoxicity of perfluorinated alkylates: calculation of benchmark doses based on serum concentrations in children

   BMR = 5% BMR = 10%
Outcome/Exposure Model BMD BMDL BMD BMDL
Diphtheria/PFOS Linear 8.48 7.43 10.90 8.75
  Log 6.96 6.62 7.89 7.11
  Piecewise 7.16 6.67 8.19 7.19
Tetanus/PFOA Linear 1.70 1.57 2.10 1.83
  Log 1.48 1.43 1.65 1.53
  Piecewise 1.85 1.49 2.40 1.66
  1. Benchmark results for serum concentrations (in ng/mL) measured at 5 years in regard to vaccine antibody concentrations at 7 years. Results are given for the exposures and outcomes showing the lowest results in Table 1.