Stratification analysis for associations between variant genotypes and gastric cancer risk.

CI, confidence interval; OR, odds ratio.aObtained in logistic regression models with adjustment for age, sex, smoking status and drinking status. Phom derived from the homogeneity test. The results were in bold, if the 95% CI excluded 1 or PCI即置信区间（confidence interval），OR即比值比（odds ratio）。注a：本结果基于校正了年龄、性别、吸烟状况与饮酒状况的logistic回归（logistic regression）模型所得。P_hom由齐性检验推导得出。若95%置信区间未包含1或P值（原文表述未完整），则结果以加粗字体呈现。