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1Helicobacter pylori infection and inflammatory bowel disease in Asians:A meta-analysis显示文摘AIM: To investigate the relationship between Helicobacter pylori infection and inflammatory bowel disease(IBD) in an Asian population.METHODS: The Pub Med, EMBASE, and CochraneLibrary databases were searched for observational studies published up until June 2014, without language restrictions. Additional references were obtained from reviewed articles. RESULTS: Ten studies involving 1299 IBD patients and 1817 controls were included in the meta-analysis(24.9% of IBD patients had H. pylori infection vs 48.3% of the controls). The pooled risk ratio for H. pylori infection in IBD patients compared with controls was 0.48(95%CI: 0.43-0.54; P < 0.001). There was no significant heterogeneity in the included studies(I2= 21%). Egger's linear regression indicated that there was no significant publication bias(P = 0.203).CONCLUSION: The H. pylori infection rate in Asian IBD patients is significantly lower than in non-IBD patients, indicating that infection protects against the development of IBD.Xiao-Wei Wu Hong-Zan Ji Miao-Fang Yang Lin Wu Fang-Yu Wang 2015World Journal of Gastroenterology2015,21,15:11
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