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Association between diabetes mellitus and lung cancer: meta‐analysis

cancer diabetes

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#1 Zaul

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Posted 12 July 2020 - 11:37 AM




This 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 methods

We 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.


The 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=0.087). DM was not associated with the risk of lung cancer in men (RR: 1.11; 95%CI: 0.92‐1.35; P=0.270), but a significant association was observed in women (RR: 1.18; 95%CI: 1.10‐1.28; P<0.001). Subgroup analysis suggested that smoker status were confounding variables that could bias the relationship between DM and the incidence of lung cancer.


This meta‐analysis suggests that DM has no significant impact on the incidence of lung cancer in men but has a harmful effect on women.



Also tagged with one or more of these keywords: cancer, diabetes

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