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Table 12 Mean Concentration Values and Correlation Coefficients for Dose/Assay Relationship for Hair and Plasma, PHT

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

Specimen

PHT

HPLC Hair PHT

Correlation

FPIA Hair Mean

Correlation

 

Mean

Mean

Coefficient

PHT Concentration

Coefficient

 

Dose

Concentration

(r)

[sd] (mcg/g)

(r)

 

(mg/day)

[sd] (mcg/g)

   

Hair

243.3

13.71 [7.32]

.882**

13.67 [7.20]

.883**

Specimen

PHT

HPLC Serum

Correlation

FPIA Serum Mean

Correlation

 

Mean

Mean PHT

Coefficient

PHT Concentration

Coefficient

 

Dose

Concentration

(r)

[sd] (mcg/ml)

(r)

 

(mg/day)

[sd] (mcg/ml)

   

Serum

243.3

14.00 [3.40]

.779**

14.2 [3.50]

.743**

  1. ** significant @.01, two-tailed