Table 2. Distribution of CYP2C19*2, *3 and PON1 genotypes in clopidogrel responders and non-responders.

CYP2C19*2 (rs4244285)
	Non-responders	Responders	Total
Genotype	(n = 70)	(n = 141)	(n = 211)	p-value*
GG (*1/*1)	27 (38.6%)	85 (60.3%)	112 (53.1%)	2.9×10−3 †
GA (*1/*2)	31 (44.3%)	53 (37.6%)	84 (35.8%)	0.349
AA (*2/*2)	12 (17.1%)	3 (2.1%)	15 (7.1%)	1.6×10−4 †
HWE p-value ‡	0.549	0.106	0.889	-
Allele frequency
Allele*2 (95%CI)	0.39 (0.32–0.48)	0.21 (0.16–0.26)	0.27 (0.23–0.31)	6.3×10−5 †

* Comparison of genotype and allele frequencies between non-responders and responders.

^†Statistically significant difference at p<0.05.

^‡p-value of Hardy-Weinberg equilibrium.