The Impact of the 2013 Eastern China Smog on Outpatient Visits for Coronary Heart Disease in Shanghai, China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Data Collection
2.2. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Variables | Mean ± SD | Min | P25 | Median | P75 | Max |
---|---|---|---|---|---|---|
Outpatients for CHD | 141.1 ± 77.2 | 11.0 | 62.5 | 159.0 | 199.5 | 272.0 |
Air pollutants (μg/m3) | ||||||
PM2.5 | 85.1 ± 65.7 | 7.0 | 41.5 | 65.0 | 111.5 | 461.0 |
SO2 | 32.6 ± 20.5 | 9.0 | 17.0 | 25.0 | 46.0 | 93.0 |
NO2 | 56.2 ± 25.9 | 13.0 | 38.5 | 50.0 | 72.0 | 128.0 |
CO (mg/m3) | 0.7 ± 0.3 | 0.3 | 0.5 | 0.6 | 0.9 | 1.8 |
O3 | 45.1 ± 19.6 | 13.1 | 28.7 | 41.2 | 61.5 | 103.1 |
Weather conditions | ||||||
Temperature (°C) | 8.6 ± 4.9 | 0.0 | 4.4 | 7.8 | 11.8 | 22.8 |
Humidity (%) | 63.7 ± 13.8 | 29.0 | 55.8 | 63.5 | 73.0 | 92.0 |
Variables | SO2 | NO2 | CO | O3 | Temperature | Humidity |
---|---|---|---|---|---|---|
PM2.5 | 0.78 | 0.80 | 0.88 | −0.42 | 0.20 | −0.21 |
SO2 | 0.83 | 0.70 | −0.66 | −0.06 | −0.62 | |
NO2 | 0.78 | −0.54 | 0.21 | −0.37 | ||
CO | −0.57 | −0.10 | 0.03 | |||
O3 | 0.47 | 0.31 | ||||
Temperature | 0.24 |
Lags | All | Male | Female | 5–64 ys | ≥65 ys | |||||
---|---|---|---|---|---|---|---|---|---|---|
RR | 95% CI | RR | 95% CI | RR | 95% CI | RR | 95% CI | RR | 95% CI | |
0 d | 1.180 | 1.04, 1.32 | 1.174 | 1.01, 1.34 * | 1.190 | 1.04, 1.33 * | 1.230 | 1.06, 1.40 * | 1.160 | 1.00, 1.31 * |
1 d | 1.140 | 1.00, 1.28 * | 1.144 | 0.98, 1.30 | 1.130 | 0.99, 1.28 | 1.190 | 1.03, 1.35 * | 1.110 | 0.96, 1.26 |
2 d | 1.140 | 1.00, 1.28 * | 1.160 | 1.00, 1.32 * | 1.130 | 0.98, 1.27 | 1.200 | 1.03, 1.36* | 1.120 | 0.97, 1.27 |
3 d | 1.170 | 1.04, 1.31 * | 1.160 | 1.01, 1.32 * | 1.180 | 1.05, 1.32* | 1.190 | 1.03, 1.35 * | 1.170 | 1.02, 1.31 * |
4 d | 1.105 | 0.97, 1.24 | 1.095 | 0.93, 1.26 | 1.114 | 0.97, 1.26 | 1.072 | 0.90, 1.25 | 1.121 | 0.98, 1.27 |
5 d | 1.063 | 0.92, 1.21 | 1.054 | 0.89, 1.22 | 1.071 | 0.92, 1.22 | 1.055 | 0.88, 1.23 | 1.067 | 0.92, 1.21 |
6 d | 1.042 | 0.90, 1.19 | 1.044 | 0.88, 1.21 | 1.042 | 0.89, 1.19 | 1.024 | 0.84, 1.21 | 1.051 | 0.90, 1.20 |
7 d | 1.019 | 0.88, 1.16 | 1.014 | 0.85, 1.17 | 1.024 | 0.88, 1.17 | 1.019 | 0.85, 1.19 | 1.020 | 0.87, 1.17 |
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Huang, F.; Chen, R.; Shen, Y.; Kan, H.; Kuang, X. The Impact of the 2013 Eastern China Smog on Outpatient Visits for Coronary Heart Disease in Shanghai, China. Int. J. Environ. Res. Public Health 2016, 13, 627. https://doi.org/10.3390/ijerph13070627
Huang F, Chen R, Shen Y, Kan H, Kuang X. The Impact of the 2013 Eastern China Smog on Outpatient Visits for Coronary Heart Disease in Shanghai, China. International Journal of Environmental Research and Public Health. 2016; 13(7):627. https://doi.org/10.3390/ijerph13070627
Chicago/Turabian StyleHuang, Fang, Renjie Chen, Yuetian Shen, Haidong Kan, and Xingya Kuang. 2016. "The Impact of the 2013 Eastern China Smog on Outpatient Visits for Coronary Heart Disease in Shanghai, China" International Journal of Environmental Research and Public Health 13, no. 7: 627. https://doi.org/10.3390/ijerph13070627