IL1B and gastric cancer: We found an increased risk of H. pylori-related GC with IL-1B-511C/T polymorphisms [OR = 1.78, 95%CI = 1.29–2.47 for recessive model, p<0.001; OR = 1.77, 95%CI = 1.21–2.59 for TT vs CC model, p = 0.003] (Fig 3, Table 3).