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Long-Term Exposure to Air Pollutants and Cancer Mortality: A Meta-Analysis of Cohort Studies

 Hong-Bae Kim  ;  Jae-Yong Shim  ;  Byoungjin Park  ;  Yong-Jae Lee 
 International Journal of Environmental Research and Public Health, Vol.15(11) : E2608, 2018 
Journal Title
 International Journal of Environmental Research and Public Health 
Issue Date
air pollutants ; cancer mortality ; cohort study ; meta-analysis
The aim of this study was to examine the relationship between main air pollutants and all cancer mortality by performing a meta-analysis. We searched PubMed, EMBASE (a biomedical and pharmacological bibliographic database of published literature produced by Elsevier), and the reference lists of other reviews until April 2018. A random-effects model was employed to analyze the meta-estimates of each pollutant. A total of 30 cohort studies were included in the final analysis. Overall risk estimates of cancer mortality for 10 µg/m³ per increase of particulate matter (PM)2.5, PM10, and NO₂ were 1.17 (95% confidence interval (CI): 1.11⁻1.24), 1.09 (95% CI: 1.04⁻1.14), and 1.06 (95% CI: 1.02⁻1.10), respectively. With respect to the type of cancer, significant hazardous influences of PM2.5 were noticed for lung cancer mortality and non-lung cancer mortality including liver cancer, colorectal cancer, bladder cancer, and kidney cancer, respectively, while PM10 had harmful effects on mortality from lung cancer, pancreas cancer, and larynx cancer. Our meta-analysis of cohort studies indicates that exposure to the main air pollutants is associated with increased mortality from all cancers.
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1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
Yonsei Authors
박병진(Park, Byoung Jin) ORCID logo https://orcid.org/0000-0003-1733-5301
심재용(Shim, Jae Yong) ORCID logo https://orcid.org/0000-0002-9561-9230
이용제(Lee, Yong Jae) ORCID logo https://orcid.org/0000-0002-6697-476X
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