Table 4.

Association Between Irritable Bowel Syndrome and Gastroesophageal Reflux Disease

^aErosive esophagitis refers to Los Angeles classification (A-D); ^bAdjusted for age, sex, waist circumference, smoking status, drinking status, hiatus hernia, Helicobacter pylori, diabetes, use of antidepressant and psychological distress. Age and waist circumference were measured as continuous variables.

NERD, non-erosive reflux disease; IBS, irritable bowel syndrome as diagnosed by Rome III criteria; OR, odds ratio; CI, confidence interval.