Helicobacter pylori positively associated with colorectal cancer and advanced, but not low-risk, adenomas: A retrospective study in China

Figure 4 Colorectal cancer. A: Multivariable logistic regression for colorectal cancer. Unadjusted model: All variables were included, and then P values were calculated separately. Adjusted model: Adjusted for age and sex. Sex and age were included in the model as covariates, with both being categorical variables. Female as reference for sex; age < 40 years as reference for age; Helicobacter pylori negative as reference exposure; B: Receiver operating characteristic curve for adjusted model of colorectal cancer. H. pylori: Helicobacter pylori; CI: Confidence interval; AUC: Area under the curve.