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Height and lung cancer risk: A meta-analysis of observational studies

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  • Fang Wang
  • Xingxiang Xu
  • Junjun Yang
  • Lingfeng Min
  • Sudong Liang
  • Yong Chen

Abstract

Background: The association between height and lung cancer risk has been investigated by epidemiological studies but the results are inconsistent. This meta-analysis was to evaluate whether the height is associated with lung cancer. Methods: We identified relevant articles by searching the MEDLINE and EMBASE databases, and reviewed the reference lists of selected papers. A random effect model was used to calculate summary odds ratios (OR) and relative risk (RR) with 95% confidence intervals (95% CI). Publication bias was estimated using Egger’s regression asymmetry test. Results: We included a total 16 studies (15 prospective studies and one case–control study) on adult height and lung cancer risk in the meta-analysis. Overall, per 10-cm height increases were associated with increased risk of lung cancer (RR 1.06; 95% CI 1.03–1.09, I2 = 43.6%). Conclusions: In this meta-analysis, high adult height is related to increased lung cancer risk. Well-designed, large prospective studies are required to obtain a better indication of the relationship.

Suggested Citation

  • Fang Wang & Xingxiang Xu & Junjun Yang & Lingfeng Min & Sudong Liang & Yong Chen, 2017. "Height and lung cancer risk: A meta-analysis of observational studies," PLOS ONE, Public Library of Science, vol. 12(9), pages 1-14, September.
    • Handle: RePEc:plo:pone00:0185316
    DOI: 10.1371/journal.pone.0185316
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