Table 2. The CYP2D6 100C>T variant allele frequencies in the Bosnian and other world populations Notes: Values in bold are significant (P<0.05) and were calculated using the χ² test; CI: confidence interval.

		CYP2D6 100C>T allele frequency
Population	Sample size (n)	T allele (%)	P value	χ2	95% CI	References
Bosnian	151	15.56
Austrian	93	4.3	P = 0.0127	6.215	2.94%–18.725%	(7)
Spanish	105	1.9	P = 0.0007	11.411	6.447%–20.646%	(8)
Sardinian	250	5.4	P = 0.0012	10.422	3.701%–17.374%	(9)
Brazilian	873	2.05	P < 0.0001	57.144	8.003%–20.345%	(10)
African American	222	3.6	P = 0.0001	15.121	5.61%–19.042%	(11)
Ethiopian	122	8.6	P = 0.1218	2.394	-1.442%–14.998%	(12)
UAE	151	3.3	P = 0.0006	11.890	5.408%–19.399%	(13)
Turkish	100	14.5	P = 0.9605	0.00245	-8.96%–10.28%	(14)
Uygur	96	15.6	P = 0.8638	0.0294	-9.426%–10.38%	(15)
Chinese Han	400	52.53	P < 0.0001	59.843	28.53%–44.304%	(16)
Korean	400	45.0	P < 0.0001	39.535	21.044%–36.8%	(17)
Japanese	1017	42.7	P < 0.0001	39.506	19.696%–33.353%	(18)
Thai	288	44.6	P < 0.0001	35.641	20.094%–37.058%	(19)