Research Article

Frequency of CYP2B6 Alleles in Major Iranian Ethnicities, Affecting Response to Efavirenz

Table 2

Genotype frequencies for CYP2B6 polymorphism in the Kurd, Turk, and Fars population.

CYP2B66 (516G > T)
EthnicityGGGTTT
Kurd (n = 26)n4139
Percent (95% CI)15.38 (4.36, 34.87)50.00 (29.93, 70.07)34.62 (17.21, 55.67)
Turk (n = 52)n20248
Percent (95% CI)38.46 (25.30, 52.98)46.15 (32.23, 60.53)15.38 (5.58, 25.19)
Fars (n = 69)n263112
Percent (95% CI)37.68 (26.29, 50.17)44.93 (32.92, 57.38)17.39 (9.32,28.41)
Total (n = 147)n526827
Percent (95% CI)35.37 (27.67, 43.68)46.26 (38.01, 54.66)18.37 (12.47, 25.59)

CYP2B64 (785A > G)
EthnicityAAAGGG
Kurd (n = 26)n1088
Percent (95% CI)38.46(20.23, 59.43)30.77 (14.33, 51.79)30.77 (14.33, 51.79)
Turk (n = 52)n201814
Percent (95% CI)38.46 (25.30, 52.98)34.61 (21.97, 49.09)26.92 (15.57, 41.02)
Fars (n = 69)n34305
Percent (95% CI)49.28 (37.02, 61.59)43.48 (31.58, 55.96)7.25 (2.39, 16.11)
Total (n = 147)n645627
Percent (95% CI)43.54 (35.39, 51.95)38.10 (30.22, 46.46)18.37 (12.47, 25.59)

CYP2B65 (1459C > T)
EthnicityCCCTTT
Kurd (n = 26)n8126
Percent (95% CI)30.77 (14.33, 51.79)46.15 (26.59, 66.63)23.07 (8.97, 43.65)
Turk (n = 52)n4084
Percent (95% CI)76.92 (63.16, 87.47)15.38 (6.88, 28.08)7.69 (2.14, 18.54)
Fars (n = 69)n44187
Percent (95% CI)63.77 (51.31, 75.01)26.08 (16.25, 38.06)10.14 (4.18, 19.79)
Total (n = 147)n923817
Percent (95%CI)62.59 (54.23, 70.42)25.85 (18.99, 33.71)11.56 (6.88, 17.87)