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Table 18 Mean Concentration Values and Model-Estimated Mean Values, PHT

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

Hair Color (N) Mean Concentration PHT (S.D.) Estimated Means1, PHT (S.E.)
Black (24) 16.35 (5.79) 15.184 (0.58)
Brown (18) 16.76 (7.68) 15.02 (0.67)
Blond (8) 7.91 (2.92) 11.96 (1.11)
Gray (10) 6.55 (4.82) 9.23 (1.09)
  1. 1Evaluated at model covariates: PHT dose (mg/24hr) = 243.3, Age = 35.85