Effects of ambient PM1 air pollution on daily emergency hospital visits in China: an epidemiological study

The Lancet. Planetary Health
Gongbo ChenYuming Guo

Abstract

China is experiencing severe ambient air pollution. However, few studies anywhere have examined the health effects of PM1 (particulate matter with aerodynamic diameter <1 μm), which are a major part of PM2·5 (particulate matter with aerodynamic diameter <2·5 μm) and even potentially more harmful than PM2·5. We aimed to estimate the effects of ambient daily PM1 and PM2·5 concentrations on emergency hospital visits in China. In this epidemiological study, we collected daily counts of emergency hospital visits from the 28 largest hospitals in 26 Chinese cities from Sept 9, 2013, to Dec 31, 2014. Ground-based monitoring data for PM1 and PM2·5 and meteorological data were also collected. Hospital-specific emergency hospital visits associated with PM1 or PM2·5 were evaluated with a time-series Poisson regression. The effect estimates were then pooled at the country level using a random-effects meta-analysis. The mean daily concentration of PM1 in all cities was 42·5 μg/m3 (SD 34·6) and of PM2·5 was 51·9 μg/m3 (41·5). The mean daily number of emergency hospital visits in all hospitals was 278 (SD 173). PM1 and PM2·5 concentrations were significantly associated with an increased risk of emergency hospital visits at lag 0-2 days (cumula...Continue Reading

Citations

Aug 6, 2020·International Journal of Environmental Research and Public Health·Xuyan WangYong Yu
Dec 15, 2020·The Science of the Total Environment·Huagui GuoWeifeng Li
Oct 9, 2020·The Science of the Total Environment·Hao WangZhaomin Dong
Apr 4, 2021·International Journal of Environmental Research and Public Health·Mona ElbarbaryJoel Negin
Apr 22, 2021·Environmental Science and Pollution Research International·Rashmi YadavRupinder Singh Dhaliwal
Mar 9, 2021·The Journal of Allergy and Clinical Immunology·Yunquan ZhangLing Zhang
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May 18, 2021·Hypertension·Huan XuUNKNOWN China Multi-Ethnic Cohort (CMEC) collaborative group
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Jun 22, 2021·Journal of Environmental Health Science & Engineering·Javad TorkashvandMajid Kermani
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Jul 30, 2021·Environmental Science and Pollution Research International·Salem AlgarniNabisab Mujawar Mubarak
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Oct 2, 2021·Annals of Work Exposures and Health·Alan da Silveira FleckAudrey Smargiassi
Dec 23, 2021·Environmental Science and Pollution Research International·Teemu KärkeläTuula Kajolinna

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