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Association of Fine Particles With Respiratory Disease Mortality: A Meta-Analysis

作者:Chang X

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发表时间:2015

发表期刊:Archives of Environmental & Occupational Health

证据类型:系统评价/Meta分析

Short-time exposure to high levels of fine particles (particulate matter with an aerodynamic diameter ≤2.5 µm; PM2.5) may trigger respiratory disease, but this association has not been determined. The objective of this study was to evaluate and quantify the short-time exposure to fine particles on respiratory disease mortality. Published articles were obtained from electronic databases and a validity assessment was used. The meta-analysis was conducted with the incorporation of good-quality studies. After applying the inclusion criteria, 9 articles were included in the study. The methodological qualities of the published studies were good, and every study achieved a score of 3. Fine particles were significantly associated with an increase in respiratory mortality risk (for every 10 µg/m3increment, rate difference [RD] = 1.32%, 95% confidence interval [CI]: 0.95%–1.68%; p = .000). These findings indicate that short-time exposure to fine particles could increase the risk of respiratory disease mortality.