Table 2.

Frequency of CYPA5 alleles in different ethnic populations

	Frequency of CYP3A5 allele
Ethnic population	CYP3A5 *1/*1 (%)	CYP3A5 *1/*3 (%)	CYP3A5 *3/*3 (%)
Caucasian	1	13–17	82–86
Black	37–45	40–54	9–15
Indian	2.5–11	38–57	32–60
Chinese	7.7	44.8	47.4

Notes: Data from Barry and Levine,¹¹ Rojas et al,¹⁴ Tang et al,¹⁵ Chen et al,¹⁶ Boughton et al,¹⁷ Niioka et al,¹⁸ Chandel et al,¹⁹ and Satoh et al.²⁰