HWE: Hardy-Weinbery equilibrium; a: The distribution of gender between case and control group is in balance; b: The distribution of age between case and control group is in balance; c: The distributio
Note: H. pylori infection data missing for 78 controls and 27 cases.*P-values from Student’s t test (continuous variables) or Pearson’s chi squared test (categorical variables).# Matching variablesCha
