國家衛生研究院 NHRI:Item 3990099045/13335

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Title:	Short term associations of ambient nitrogen dioxide with daily total, cardiovascular, and respiratory mortality: Multilocation analysis in 398 cities
Authors:	Meng, X;Liu, C;Chen, R;Sera, F;Vicedo-Cabrera, AM;Milojevic, A;Guo, Y;Tong, S;Coelho, M;Saldiva, PHN;Lavigne, E;Correa, PM;Ortega, NV;Osorio, S;Garcia;Kyselý, J;Urban, A;Orru, H;Maasikmets, M;Jaakkola, JJK;Ryti, N;Huber, V;Schneider, A;Katsouyanni, K;Analitis, A;Hashizume, M;Honda, Y;Ng, CFS;Nunes, B;Teixeira, JP;Holobaca, IH;Fratianni, S;Kim, H;Tobias, A;Íñiguez, C;Forsberg, B;Åström, C;Ragettli, MS;Guo, YL;Pan, SC;Li, S;Bell, ML;Zanobetti, A;Schwartz, J;Wu, T;Gasparrini, A;Kan, H
Contributors:	National Institute of Environmental Health Sciences
Abstract:	OBJECTIVE: To evaluate the short term associations between nitrogen dioxide (NO(2)) and total, cardiovascular, and respiratory mortality across multiple countries/regions worldwide, using a uniform analytical protocol. DESIGN: Two stage, time series approach, with overdispersed generalised linear models and multilevel meta-analysis. SETTING: 398 cities in 22 low to high income countries/regions. MAIN OUTCOME MEASURES: Daily deaths from total (62.8 million), cardiovascular (19.7 million), and respiratory (5.5 million) causes between 1973 and 2018. RESULTS: On average, a 10 μg/m(3) increase in NO(2) concentration on lag 1 day (previous day) was associated with 0.46% (95% confidence interval 0.36% to 0.57%), 0.37% (0.22% to 0.51%), and 0.47% (0.21% to 0.72%) increases in total, cardiovascular, and respiratory mortality, respectively. These associations remained robust after adjusting for co-pollutants (particulate matter with aerodynamic diameter ≤10 μm or ≤2.5 μm (PM(10) and PM(2.5), respectively), ozone, sulfur dioxide, and carbon monoxide). The pooled concentration-response curves for all three causes were almost linear without discernible thresholds. The proportion of deaths attributable to NO(2) concentration above the counterfactual zero level was 1.23% (95% confidence interval 0.96% to 1.51%) across the 398 cities. CONCLUSIONS: This multilocation study provides key evidence on the independent and linear associations between short term exposure to NO(2) and increased risk of total, cardiovascular, and respiratory mortality, suggesting that health benefits would be achieved by tightening the guidelines and regulatory limits of NO(2).
Date:	2021-03-24
Relation:	British Medical Journal. 2021 Mar 24;372:Article number n534.
Link to:	http://dx.doi.org/10.1136/bmj.n534
Cited Times(WOS):	https://www.webofscience.com/wos/woscc/full-record/WOS:000637833700009
Cited Times(Scopus):	https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85103370304
Appears in Collections:	[Yue-Liang Guo] Periodical Articles

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