Association Between Nitrite and Nitrate Intake and Risk of Gastric Cancer: A Systematic Review and Meta-Analysis.

Med Sci Monit · 2019 · PMC6420797 · PMID 30850575

Europe PMC DOI

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a positive trendno p-value reported

Most of the included studies reported a positive trend between high or moderate nitrite intake and the risk of GC, while several studies reported reverse trend.

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an increasing trendno p-value reported

Since there is an increasing trend of the disease burden, more research is needed on identify the risk factors for GC.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.