TABLE 2.

Frequencies of ABCC2 and ABCC4 genotype polymorphisms^a

Genetic polymorphism	Genotype			Allele
	Genotype	No. of patients	% of patients	Allele	% of patients
ABCC2 −24C → T	CC	98	65.3	C	80.7
	CT	46	30.7	T	19.3
	TT	6	4.0
ABCC2 1249G → A	GG	123	82.0	G	90.7
	GA	26	17.3	A	9.3
	AA	1	0.7
ABCC2 3972C → T	CC	94	62.7	C	78.3
	CT	47	31.3	T	21.7
	TT	9	6.0
ABCC4 3463A → G	AA	96	64.0	A	80.7
	AG	50	33.3	G	19.3
	GG	4	2.7
ABCC4 4131T → G	TT	34	22.7	T	49.3
	TG	80	53.3	G	50.7
	GG	36	24.0

^aData are for 150 patients.