The average concentrations of ambient ozone for each city ranged from 40.89 μg/m 3 to 75.56 μg/m 3, and the daily mean counts of respiratory outpatient visits varied by hospital from 37 to 2,191. Generalized additive models were used to analyze hospital-specific associations and then a random-effect meta-analysis was used to pool them. Health data were obtained from 9 hospitals and exposure data were collected from fixed-site monitoring stations.
OZONE CONTACT BAR 2013 SERIES
We designed this time series study (from 2013 to 2015) in 5 cities in China to investigate the relationships between ambient ozone concentrations and respiratory outpatient visits. CrossRefįew studies have elucidated the associations between short-term exposure to ozone and respiratory morbidity, especially in developing countries. Long-term exposure to ozone and cause-specific mortality risk in the United States. Lim CC, Hayes RB, Ahn J, Shao YZ, Silverman DT, Jones RR, et al. Short-term associations of ambient air pollution and cause-specific emergency department visits in Guangzhou, China. Guo P, Feng WR, Zheng MR, Lv JY, Wang L, Liu J, et al. The effect of ozone and PM10 on hospital admissions for pneumonia and chronic obstructive pulmonary disease: a national multicity study.
Short-term effects of air pollution on daily single- and co-morbidity cardiorespiratory outpatient visits. Seposo X, Ueda K, Sugata S, Yoshino A, Takami A. A time-stratified case-crossover study of ambient ozone exposure and emergency department visits for specific respiratory diagnoses in California (2005−2008). Malig BJ, Pearson DL, Chang YB, Broadwin R, Basu R, Green RS, et al. Meta-analysis of the association between short-term exposure to ambient ozone and respiratory hospital admissions. Ambient carbon monoxide and cardiovascular mortality: a nationwide time-series analysis in 272 cities in China.
Liu C, Yin P, Chen RJ, Meng X, Wang LJ, Niu Y, et al.
Ambient ozone pollution and daily mortality: a nationwide study in 272 Chinese cities. Yin P, Chen RJ, Wang LJ, Meng X, Liu C, Niu Y, et al. The impact of ambient ozone pollution on pneumonia: a nationwide time-series analysis. Tian YH, Wu YQ, Liu H, Si YQ, Wu Y, Wang XW, et al.
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