Table 2 Genotype and allele frequencies and HWE for stable cohort (N = 76)

SULT1B1

rs11249460

AA

9(11.8)

A

57(37.5)

0.7100

AG

39(51.3)

G

95 (62.5)

GG

28(36.8)

DIO1 Rs2235544

AA

14(18.4)

A

60(39.5)

0.5840

AC

32(42.1)

C

92(60.5)

CC

30(39.5)

DIO2 Rs225014

CC

10(13.2)

C

52(34.2)

0.8533

CT

32(42.1)

T

100(65.8)

TT

34(44.7)

DIO2 Rs225015

AA

8(10.5)

A

48(31.6)

0.9753

AG

32(42.1)

G

104(68.4)

GG

36(47.4)

UGT1A4 Rs3806596

CC

32(42.1)

C

98(64.5)

0.9794

CT

34(44.7)

T

54(35.5)

TT

10(13.2)

VD rs11185644

CC

7(9.2)

C

42(27.6)

0.7899

CT

28(36.8)

T

110(72.4)

TT

41(53.9)

VD Rs4588

GG

40(52.6)

G

113(74.3)

0.4840

GT

33(43.4)

T

39 (25.7)

TT

3(3.9)

B12 (FUT2) Rs602662

AA

27(35.5)

A

94(61.8)

0.6040

AG

40(52.6)

G

58(38.2)

GG

9(11.8)

UGT1A1 (rs3064744)

*1/*28

43(56.6)

*1(6 repeats)

76(50)

0.0000

*1/*36

33(43.4)

*28(7 repeats)

43(28.3)

*36(5 repeats)

33(21.7)