Table 3: Prevalence of CYP2C9*2 and *3 in different ethnic groups.

Population
Allele frequencies of CYP2C9
Ref.
*2(P) *3(P)

Middle East Arab
 Saudi (Al-Ahsa)1310.1330.023Current
 Saudi (Riyadh)1920.1170.730.0910.03[14]
 Egyptian2470.1200.870.0600.13[16]
 Jordanian2630.1351.00.0680.09[25]
 Lebanese1610.1120.720.0960.03[18]
 Omani1890.0740.180.0290.72[17]
Caucasian
 American1000.0800.290.0600.19[26]
 Croatian2000.1650.530.0950.02[27]
 German1180.1400.860.0500.32[28]
 Greek2830.1291.00.0810.03[13]
 Italian1570.1120.860.0920.03[29]
 Turkish4990.1060.540.1000.006[30]
 Belgian1210.100.560.0740.081[31]
Asian
 Japanese2180<0.00010.0210.72[32]
 Korean5740<0.00010.0110.22[33]
 Chinese (Mongolian)2800<0.00010.031.0[34]
 Vietnamese1570<0.00010.0221.0[35]
 Malaysian (Malay)2020.0190.00030.0241.0[36]
African
 Beninese1110<0.00010<0.0001[31]
 Ethiopian1500.040.020.021.0[29]
 Ghanaian2040<0.000100.06[37]
 Iranian2000.131.000.06[38]
 African-American4900.011<0.00010.0180.48[39]