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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 5  |  Page : 15-18

Helicobacter pylori infection and colorectal carcinoma risk: A meta-analysis


1 Department of Chinese and Western Medicine, Tianjin Fourth Center Hospital (Tianjin Medical University Fourth Center Clinical College), Tianjin 300140, P.R. China
2 Department of Hematology-Oncology, Tianjin Fourth Center Hospital (Tianjin Medical University Fourth Center Clinical College), Tianjin 300140, P.R. China
3 Department of Gastroenterology, Tianjin Fourth Center Hospital (Tianjin Medical University Fourth Center Clinical College), Tianjin 300140, P.R. China

Correspondence Address:
Yanrong Wang
Department of Gastroenterology, Tianjin Fourth Center Hospital (Tianjin Medical University Fourth Center Clinical College), Tianjin 300140
P.R. China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.191621

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Objective: Helicobacter pylori infection and colorectal cancer risk are not clear. We perform this meta-analysis to further evaluate the association between H. pylori infection and colorectal cancer susceptibility. Methods: The databases of CNKI, Wanfang, PubMed, Medline, EMBASE, and HighWire Press were electronic searched by two reviewers independently. The case–control study or cohort study about H. pylori infection and colorectal cancer risk were included in this meta-analysis. The association between H. pylori infection and colorectal cancer risk was evaluated by odds ratio (OR) and corresponding 95% confidence interval (95% CI). Results: Fourteen case–control studies related to H. pylori infection and colorectal cancer risk were eventually include in this meta-analysis. The pooled results showed that H. pylori infection slight increase the risk of developing colorectal carcinoma (OR = 1.33, 95% CI: 1.01–1.77, P = 0.05). Moreover, Begg's funnel plot demonstrated no significant publication bias. Conclusion: Colorectal carcinoma is associated with H. pylori infection. However, for significant heterogeneity across the studies, this results should be further confirmed by large sample size cohort study.


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