Research Article

A Functional Polymorphism in the Promoter Region of Interleukin-12B Increases the Risk of Colorectal Cancer

Table 2

Association between the two polymorphisms and the risk of CRC.

GroupControls (%)Cases (%)OR (95%CI)
N = 342N = 329

rs17860508 genotype
 TTAGAG/TTAGAG103 (30.1)71 (21.6)Reference
 TTAGAG/GC166 (48.5)167 (50.8)0.0451.46 (1.01–2.12)
 GC/GC73 (21.3)91 (27.6)0.0071.81 (1.18–2.78)
Allele
 TTAGAG372 (54.4)309 (47.0)Reference
 GC312 (45.6)349 (53.0)0.0071.35 (1.09–1.67)
rs3212227 genotype
 AA108 (31.6)96 (29.2)Reference
 AC173 (50.6)160 (48.6)0.8241.04 (0.73–1.48)
 CC61 (17.8)73 (22.2)0.1821.35 (0.87–2.09)
Allele
 A389 (56.9)352 (53.5)Reference
 C295 (43.1)306 (46.5)0.2141.15 (0.92–1.42)

Abbreviations: CRC, colorectal cancer; OR, odds ratio; CI, confidence interval.