Table 2

Comparison of microsomal OP 5-hydroxylation at a low substrate concentration (4 μM) in liver samples of genotyped Chinese from two ethnic groups, Han and Zhuang

CYP2C19 Genotype	Han (n)	Zhuang (n)	Total Samples (n)
wt/wt	188 ± 63^2-a (9)	125 ± 56^2-150 (10)	155 ± 64 (19)
wt/m1	107 ± 54^2-151 (6)	97 ± 59 (6)	102 ± 52^2-151 (12)
m1/m1	20 ± 28^2-152 (2)	26 (1)	22 ± 20^2-152 (3)
wt/wt ⁺ wt/m1 ⁺ m1/m1	140 ± 79 (17)	109 ± 56 (17)	124 ± 69 (34)

n, number of samples examined.
↵2-a Data represent mean ± S.D.
↵2-150 Different from Han ethnic group (P < .05).
↵2-151 Different from wt/wt(P < .05).
↵2-152 Different from wt/wt andwt/m1 (P < .05).