• Eur. J. Clin. Invest. · Oct 2020

    Review Meta Analysis

    Association between diabetes mellitus and lung cancer: meta-analysis.

    • Zi-Han Yi, Yannick Luther, Guo-Hang Xiong, Yue-Li Ni, Fang Yun, Jing Chen, Zhe Yang, Qiao Zhang, Ying-Min Kuang, and Yue-Chun Zhu.
    • Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Kunming Medical University, Kunming, Yunnan, China.
    • Eur. J. Clin. Invest. 2020 Oct 1; 50 (10): e13332.

    BackgroundThis study aimed to summarize the association between diabetes mellitus (DM) and the incidence of lung cancer using a meta-analysis of cohort studies.Materials And MethodsWe systematically searched PubMed, Embase and the Cochrane Library to identify potential cohort studies. Relative risk (RR) was used to calculate the association between DM and the risk of lung cancer. Subgroup analysis, sensitivity analysis and test for publication bias were performed. Twenty cohort studies were selected.ResultsThe participants with DM showed little or no significant effect on the risk of lung cancer (RR: 1.10; 95% CI: 0.99-1.23; P = .087). DM was not associated with the risk of lung cancer in men (RR: 1.11; 95%CI: 0.92-1.35; P = .270), but a significant association was observed in women (RR: 1.18; 95%CI: 1.10-1.28; P < .001). Subgroup analysis suggested that smoker status was confounding variables that could bias the relationship between DM and the incidence of lung cancer.ConclusionsThis meta-analysis suggests that DM has no significant impact on the incidence of lung cancer in men but has a harmful effect on women.© 2020 Stichting European Society for Clinical Investigation Journal Foundation.

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