Table 2. Pharmacogenetics analysis and Hardy-Weinberg equilibrium.

Gene	Variation	Genotype	Frequency	%	P valuea
ABCB1	rs1045642	A/A	2	16.67	0.0543
		A/G	2	16.67
		G/G	8	66.66
ABCC4	rs1751034	C/C	1	8.33	0.9768
		C/T	5	41.67
		T/T	6	50.00
ABCC8	rs757110	A/A	5	41.67	0.7003
		A/C	5	41.67
		C/C	2	16.66
ABCG2	rs2231142	G/G	6	50.00	0.3865
		G/T	4	33.33
		T/T	2	16.67
CYP2C9		*1/*1	11	91.67	–
		*3/c.820-6326A>C	1	8.33
CYP2C19		*1/*1	4	33.33	–
		*1/*2	6	50.00
		*2/*2	2	16.67
CYP3A4		*1A/*1A	5	41.67	–
		*1A/*1G	5	41.67
		*1A/*18B	1	8.33
		*1G/*1G	1	8.33
CYP3A5		*1/*1	2	16.66	–
		*1/*3	5	41.67
		*3/*3	5	41.67
CYP4F2		*1/*1	7	58.33	–
		*1/*3	5	41.67
UGT1A1		*1/*1	4	33.33	–
		*1/*6	5	41.67
		*28/*80	3	25.00
UGT1A8	rs1042597	C/C	2	16.67	0.9212
		C/G	6	50.00
		G/G	4	33.33
UGT2B15	rs1902023	A/A	4	33.33	0.2482
		A/C	4	33.33
		C/C	4	33.33

^a, Pearson chi-squared test.