Table 1.

Plasma EFV and NVP in different genotypes of the ABCB1 C3435T polymorphism

	Plasma concentration (mean ± SD (μg ml−1)) 12 h EFV	2 h NVP
Total number of patients	55	71
Number of males	45	45
Mean age (range) (years)	37 (26–59)	34 (20–48)
CC genotype	5.22 ± 5.32	8.33 ± 2.78
	(10)	(11)
CT genotype	3.5 ± 1.83	8.99 ± 2.64
	(22)	(26)
TT genotype	2.48 ± 1.29	7.52 ± 2.65
	(23)	(34)

n given in parentheses.