Table 1.

Allele frequency of CYP2C19 polymorphisms (*1, *2, *3, and *17) of 1,051 unrelated samples

Alleles of CYP2C19	Allele (number)	Frequency
*1 (Wild type)	1,318	0.63
*2 (c. 681G>A)	568	0.27
*3 (c. 636G>A)	126	0.06
*17 (g.-806C>T)	90	0.04
Total number	2,102	1.00

Abbreviation: CYP2C19, cytochrome P450 2C19.