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  • Title: Positive association between gastro-oesophageal reflux disease and irritable bowel syndrome in a Chinese population.
    Author: Cheung TK, Lam KF, Hu WH, Lam CL, Wong WM, Hui WM, Lai KC, Lam SK, Wong BC.
    Journal: Aliment Pharmacol Ther; 2007 May 01; 25(9):1099-104. PubMed ID: 17439511.
    Abstract:
    BACKGROUND: Gastro-oesophageal reflux disease and irritable bowel syndrome are common diseases which may be related. AIM: To examine the association between gastro-oesophageal reflux disease and irritable bowel syndrome in Chinese population in Hong Kong. METHODS: Randomly selected ethnic Chinese were invited to participate in a telephone survey in 1996. Gastro-oesophageal reflux disease was defined as subjects having heartburn and/or acid regurgitation once weekly or more. Irritable bowel syndrome was diagnosed according to the Rome I criteria. The association between gastro-oesophageal reflux disease and irritable bowel syndrome was calculated using a statistical model which allows the odds ratio to be measured. RESULTS: One thousand six hundred and forty-nine subjects completed the interview (response rate 62%). The population prevalence of gastro-oesophageal reflux disease and irritable bowel syndrome were 5% and 4%, respectively. Thirteen per cent of subjects with gastro-oesophageal reflux disease and 11% with irritable bowel syndrome suffered from both gastro-oesophageal reflux disease and irritable bowel syndrome. The OR of having gastro-oesophageal reflux disease and irritable bowel syndrome together was estimated to be 3 (95% CI: 1.05, 6.27) indicating a positive association between the two diseases. This association occurred predominantly in male subjects [OR = 9.3, (95% CI: 2.3, 26.2)] but not as strong in females [OR = 1.5, (95% CI: 0.3, 4.3)]. Younger subjects were statistically more prone to the two diseases. CONCLUSIONS: There is a positive association between gastro-oesophageal reflux disease and irritable bowel syndrome, and their association occurs predominantly in male subjects.
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