Table 1.

Allele and Genotype frequencies for CYP2C8, CYP2C9 and CYP2C19 alleles observed in the Ghanaian population (%, 95% CI in parenthesis)

	CYP2C8*2	CYP2C9*11	CYP2C19*2
Total no. genotyped	203	195	169
Major allele homozygous	139 (68, 62.0 - 74.86)	190 (97.5, 95.22 - 99.66)	152 (90, 85.48 - 94.52)
Heterozygous	59 (29, 22.8 - 35.31)	4 (2, 0.06 - 4.04)	14 (8, 3.91, 12.09)
Minor allele homozygous	5 (3, 0.33 - 4.59)	1 (0.5, -0.49 - 1.51)	3 (2, -0.21, 3.77)
Major allele frequency	83 (79.35 - 86.65)	98 (96.61- 99.39)	94 (91.47- 96.53)
Minor allele frequency	17(13.35 - 20.65)	2 (0.61, 3.39)	6 (3.47, 8.53)

CI, Confidence Interval. CYP2C8*3, *4, CYP2C9*2, *3 *4, *5 and CYP2C19*3 variant alleles were not detected in this study