Genetic variability of CYP2B6 polymorphisms in four southern Chinese populations

Table 2 Comparison of allele 516G > T frequency between ethnic minority group and other ethnic populations

	Population	n	Frequency of allele516G > T
Southern Chinese (current study)		1014	0.345
Caucasian	Germany[6]	242	0.252a
	Germany[6]	1146	0.26a
	American[7]	86	0.22a
	Switzerland[8]	418	0.24a
	Canadian[9]	354	0.254a
	European-American[3]	178	0.224a
	United Kingdom[10]	270	0.281a
	Germany[4]	430	0.286
African	African-American[7]	58	0.28
	African-American[11]	90	0.278
	African-American[3]	100	0.38
	African-Canadian[9]	246	0.329
	Ghanaians[11]	82	0.488a
Hispanics	Spanish[12]	200	0.265a
	Hispanic-American[7]	14	0.43
	Hispanic-American[3]	30	0.266
	Hispanic-Canadian[9]	122	0.328
Asian	Japanese[13]	530	0.16a
	Japanese[11]	90	0.144a
	Japanese[14]	176	0.2a
	Korean[11]	92	0.152a
	Taiwan[11]	92	0.141a
	Han Chinese[15]	386	0.21a
	Hong Kong[16]	152	0.43a

n: Total number of alleles.

^aP < 0.05, Southern Chinese vs other ethnic population, Chi-square test.