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Review
. 2015 Dec 30:9:111-6.
doi: 10.2147/OTT.S95714. eCollection 2016.

Dairy consumption and lung cancer risk: a meta-analysis of prospective cohort studies

Yi Yu  1 , Hui Li  1 , Kaiwu Xu  2 , Xin Li  1 , Chunlin Hu  1 , Hongyan Wei  1 , Xiaoyun Zeng  1 , Xiaoli Jing  1
Affiliations
Review

Dairy consumption and lung cancer risk: a meta-analysis of prospective cohort studies

Yi Yu et al. Onco Targets Ther. .

Abstract

Background: Lung cancer risk is the leading cause of cancer-related deaths worldwide. We conducted a meta-analysis to evaluate the relationship between dairy consumption and lung cancer risk.

Methods: The databases included EMBASE, Medline (PubMed), and Web of Science. The relationship between dairy consumption and lung cancer risk was analyzed by relative risk or odds ratio estimates with 95% confidence intervals (CIs). We identified eight prospective cohort studies, which amounted to 10,344 cases and 61,901 participants.

Results: For milk intake, relative risk was 0.95 (95% CI: 0.76-1.15); heterogeneity was 70.2% (P=0.003). For total dairy product intake, relative risk was 0.96 (95% CI: 0.89-1.03), heterogeneity was 68.4% (P=0.004).

Conclusion: There was no significant association between dairy consumption and lung cancer risk.

Keywords: dairy products; lung cancer; meta-analysis; milk.

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Figures

Figure 1
Figure 1
Search strategy and selection of studies for inclusion in the meta-analysis. Abbreviation: TDF, total dairy food.
Figure 2
Figure 2
Forest plot of studies examining the association between milk intake and lung cancer risk. Abbreviations: CI, confidence interval; ES, effect size; ID, identification.
Figure 3
Figure 3
Forest plot of studies examining the association between total dairy product intake and lung cancer risk. Abbreviations: CI, confidence interval; ES, effect size; ID, identification.
See this image and copyright information in PMC

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