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Table 1 Mean Concentration Values and Correlation Coefficients for Dose/Assay Relationship for Hair and Plasma, CBZ

From: The concentration of three anti-seizure medications in hair: the effects of hair color, controlling for dose and age

  CBZ HPLC Hair   Correlation FPIA   Correlation
Specimen Dose Concentration S.D. Coefficient Concentration S.D. Coefficient
  (mg/day) (mcg/g)   (r) (mcg/g)   (r)
Hair 525 18.20 6.02 0.476** 21.12 7.01 0.459**
  CBZ GC Serum   Correlation FPIA Serum   Correlation
Specimen Dose Concentration S.D. Coefficient Concentration S.D. Coefficient
  (mg/day) (mcg/g)   (r) (mcg/g)   (r)
Serum 525 7.37 1.44 .067 7.62 1.50 .143
  1. ** significant @.01, two-tailed