Table 2.

Relationship between IM plasma concentration and 4 genotypic SNPs

SNPs	Gene type	Number	Plasma concentration(ng mL−1)	P
OCT1 1022C > T (rs 2282143)	CC	22	1511.68 ± 842.38	–
	TC	7	1745.69 ± 1092.90
OCT1 1386C > A (rs 622342)	AC	5	1488.81 ± 1375.69	0.005*
	AA	24	1584.70 ± 800.84
OCT1 1222 A > G (rs628031)	AA	1	300.34	–
	AG	10	1824.62 ± 1009.31
	GG	18	1496.13 ± 798.24
OCT1 1795G > A (rs6935207)	GG	8	1699.52 ± 890.48	–
	AG	13	1861.02 ± 978.17
	AA	8	960.92 ± 400.60

P values were calculated from Mann–Whitney U test

*Represents P < 0.05