Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 14, 2015; 21(14): 4232-4239
Published online Apr 14, 2015. doi: 10.3748/wjg.v21.i14.4232
Table 2 Comparison of interleukin-21 polymorphisms between chronic hepatitis B virus-infected patients and controls n (%)
PolymorphismHBV infection (n = 366)Control (n = 208)P valueOR (95%CI)
rs13143866
Allele frequencyAllele G621 (85.5)363 (87.3)Reference
Allele A111 (14.5)53 (12.7)0.2591.224 (0.861-1.741)
Genotype frequency1GG266 (72.7)157 (75.5)Reference
GA89 (24.3)49 (23.5)0.7340.933 (0.625-1.392)
AA11 (3.0)2 (1.0)0.29020.308 (0.067-1.408)
HWE0.2940.391
Recessive modelGG + GA355 (97.0)206 (99.0)Reference
AA11 (3.0)2 (1.0)0.14923.195 (0.701-14.493)
Dominant modelGG266 (72.7)157 (75.5)Reference
AA + GA100 (27.3)51 (24.5)0.4631.157 (0.783-1.711)
rs2221903
Allele frequencyAllele T632 (86.3)373 (89.7)Reference
Allele C100 (13.7)43 (10.3)0.1011.373 (0.939-2.006)
Genotype frequency1TT272 (74.3)167 (80.3)Reference
TC88 (24.1)39 (18.7)0.1301.385 (0.907-2.116)
CC6 (1.6)2 (1.0)0.26221.842 (0.367-9.232)
HWE0.7120.868
Recessive modelTT+TC360 (98.4)206 (99.0)Reference
CC6 (1.6)2 (1.0)0.71721.715 (0.342-8.547)
Dominant modelTT272 (74.3)167 (80.3)Reference
CC + TC94 (25.7)41 (19.7)0.1051.408 (0.930-2.130)
rs907715
Allele frequencyAllele G415 (56.7)234 (56.2)Reference
Allele A317 (43.3)182 (43.8)0.8840.982 (0.770-1.252)
Genotype frequency1GG110 (30.0)70 (33.7)Reference
GA195 (53.3)94 (45.2)0.1601.320 (0.896-1.945)
AA61 (16.7)44 (21.1)0.1550.882 (0.540-1.440)
HWE0.1040.238
Recessive modelGG + GA305 (83.3)164 (78.8)Reference
AA61 (16.7)44 (21.2)0.1810.746 (0.484-1.148)
Dominant modelGG110 (30.1)70 (33.7)Reference
AA + GA256 (69.9)138 (66.3)0.3721.181 (0.820-1.699)