• Yu-Jin Kwon, Na-Young You, Jae-Woo Lee, Joungyoun Kim, and Hee-Taik Kang.
• Department of Family Medicine, Yonsei University College of Medicine, Yong-in Severance Hospital, Yong-in, Republic of Korea; Department of Medicine, Graduate School of Yonsei University College of Medicine, Seoul, Republic of Korea.
• Clin Lung Cancer. 2019 Mar 1; 20 (2): e177-e185.

BackgroundThe incidence and mortality of lung cancer have risen steadily with the increasing popularity of tobacco smoking. Observational studies suggest that statins, which are widely used to lower cholesterol, may prevent lung cancer; however, other studies have produced conflicting results. We investigated the effect of statin receipt on lung cancer risk in Korean men according to smoking status.Patients And MethodsWe collected data from the 2002-2015 National Health Insurance Service-National Health Screening Cohort (NHIS-HEALS). We included a total of 16,588 men in the final analysis. We classified the participants as having high or low statin receipt or as not receiving statins. We used Cox proportional hazards regression models to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) for lung cancer risk by statin receipt after adjusting for potential confounders.ResultsWe identified 363 patients with a new diagnosis of lung cancer from 2005 to 2015. Compared to participants who did not receive statins, high statin receipt resulted in a reduced lung cancer risk (HR = 0.64; 95% CI, 0.47, 0.85) after adjustment for confounders. Among current smokers, the fully adjusted HR for high statin receipt compared to those who did not receive statin therapy was 0.50 (95% CI, 0.32, 0.79).ConclusionHigh statin receipt was associated with lower risk of lung cancer in Korean men with hypercholesterolemia, especially current smokers.Copyright © 2018 Elsevier Inc. All rights reserved.

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