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- Title
Dietary Cholesterol Intake and Risk of Lung Cancer: A Meta-Analysis.
- Authors
Lin, Xiaojing; Liu, Lingli; Fu, Youyun; Gao, Jing; He, Yunyun; Wu, Yang; Lian, Xuemei
- Abstract
Multiple epidemiologic studies have evaluated the relationship between dietary cholesterol and lung cancer risk, but the association is controversial and inconclusive. A meta-analysis of case-control studies and cohort studies was conducted to evaluate the relationship between dietary cholesterol intake and lung cancer risk in this study. A relevant literature search up to October 2017 was performed in Web of Science, PubMed, China National Knowledge Infrastructure, Sinomed, and VIP Journal Integration Platform. Ten case-control studies and six cohort studies were included in the meta-analysis, and the risk estimates were pooled using either fixed or random effects models. The case-control studies with a total of 6894 lung cancer cases and 29,736 controls showed that dietary cholesterol intake was positively associated with lung cancer risk (Odds Ratio = 1.70,95% Confidence Interval: 1.43-2.03). However, there was no evidence of an association between dietary cholesterol intake and risk of lung cancer among the 241,920 participants and 1769 lung cancer cases in the cohort studies (Relative Risk = 1.08, 95% Confidence Interval: 0.94-1.25). Due to inconsistent results from case-control and cohort studies, it is difficult to draw any conclusion regarding the effects of dietary cholesterol intake on lung cancer risk. Carefully designed and well-conducted cohort studies are needed to identify the association between dietary cholesterol and lung cancer risk.
- Subjects
LUNG tumors; CONFIDENCE intervals; CHOLESTEROL content of food; INGESTION; LONGITUDINAL method; MEDLINE; META-analysis; ONLINE information services; SYSTEMATIC reviews; RELATIVE medical risk; CASE-control method; ODDS ratio; TUMOR risk factors
- Publication
Nutrients, 2018, Vol 10, Issue 2, p185
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu10020185