Table 3 Genotype and allele frequencies of IL-22 gene polymorphisms among ulcerative colitis cases and healthy controls

-429 CC

57(31.7)

68(37.8)

1.00(Reference)

-429 CT

70(38.9)

86(47.8)

0.97(0.61,1.56)

0.90

-429 TT

53(29.4)

26(14.4)

2.43(1.35,4.37)

0.003

-429 C allele frequency

184(51.1)

222(61.7)

1.00(Reference)

-429 T allele frequency

176(48.9)

138(38.3)

1.54(1.14,2.07)

0.004

+1046 TT

88(48.9)

94(52.2)

1.00(Reference)

+1046 TA

63(35.0)

61(33.9)

1.10(0.70,1.74)

0.67

+1046 AA

29(16.1)

25(13.9)

1.24(0.67,2.28)

0.49

+1046 T allele frequency

239(66.4)

249(69.2)

1.00(Reference)

+1046 A allele frequency

121(33.6)

111(30.8)

1.14(0.83,1.55)

0.43

+1995 AA

76(42.2)

81(45.0)

1.00(Reference)

+1995 AC

65(36.1)

63(35.0)

1.10(0.69,1.75)

0.69

+1995 CC

39(21.7)

36(20.0)

1.16(0.67,2.00)

0.61

+1995 A allele frequency

217(60.3)

225(62.5)

1.00(Reference)

+1995 C allele frequency

143(39.7)

135(37.5)

1.10(0.81,1.48)

0.54