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陈诗琪, 王艳艳, 郭冰等. 大气颗粒物质量浓度与koko体育app 华西医院非意外创伤急诊人次的时间序列研究[J]. koko体育app 学报（医学版）, 2019, 50(1): 71-76.
引用本文: 陈诗琪, 王艳艳, 郭冰等. 大气磅礴粒子物質量密度与成都学校华西医院非发生意外心理创伤急诊客流量的的时间回文序列科研[J]. 成都学校学报（医药学版）, 2019, 50(1): 71-76.
CHEN Shi-qi, WANG Yan-yan, GUO Bing. et al. Particulate Matters and Non-accidental Emergency Visits in West China Hospital: a Time-Series Study[J]. Journal of Sichuan University (Medical Sciences), 2019, 50(1): 71-76.
Citation: CHEN Shi-qi, WANG Yan-yan, GUO Bing. et al. Particulate Matters and Non-accidental Emergency Visits in West China Hospital: a Time-Series Study[J]. Journal of Sichuan University (Medical Sciences), 2019, 50(1): 71-76.

大气颗粒物质量浓度与koko体育app 华西医院非意外创伤急诊人次的时间序列研究

Particulate Matters and Non-accidental Emergency Visits in West China Hospital: a Time-Series Study

  • 摘要: 目的 分析大气颗粒物（PM2.5和PM10）质量浓度对医院非意外创伤急诊人次的短期效应，探讨大气颗粒物对人群健康的急性危害。方法 采用广义相加模型分析2014～2016年成都市区大气污染物质量浓度对koko体育app 华西医院非意外创伤急诊人次的短期效应，并在不同年龄组（<65岁组和≥65岁组）中进行分层分析。结果 2014年1月1日至2016年11月30日期间成都市区大气颗粒物PM2.5和PM10的年平均质量浓度分别为66.47 μg/m3和109.35 μg/m3。在非意外创伤急诊全人群中，大气颗粒物的健康效应在滞后1 d时最大，PM2.5和PM10的日均质量浓度每增加10 μg/m3，急诊人次数分别增加0.634%（95%CI: 0.273%~0.997%）和0.413%（95%CI: 0.166%~0.660%）。在≥65岁组中，调整全部气态污染物（SO2+NO2+CO+O3）的影响后， PM2.5和PM10的日均质量浓度每增加10 μg/m3，滞后1 d的急诊人次数分别增加1.439%（95%CI：0.599%~2.287%）和 1.150%（95%CI：0.566%~1.738%）。结论 大气颗粒物质量浓度升高与非意外创伤急诊人次数呈正相关，且存在滞后效应，对65岁以上老年人群健康的急性损害较大。  
    Abstract: Objective To determine the short-term effect of particulate matter of <2.5 μm (PM2.5) and particulate matter of <10 μm (PM10) on non-accidental emergency visits. Methods A time-series study analysis with generalized additive model was performed to establish the associations between air pollution (indicated by PM2.5 and PM10) and non-accidental emergency visits in the West China Hospital of Sichuan University over the period from 2014 to 2016, categorized by age (<65 and ≥65 yr.). Results From January 1, 2014 to November 30, 2016, the Chengdu urban area had an annual average concentration of 66.47 μg/m3 PM2.5 and 109.35 μg/m3 PM10, respectively. The peak short-term effect of particulate matters on non-accidental emergency visits appeared one day after the exposure, with a daily increase of 10 μg/m3 for PM2.5 and PM10 resulting in an increase of 0.634% (95%CI: 0.273%-0.997%) and 0.413% (95%CI: 0.166%-0.660%) non-accidental emergency visits, respectively. For those ≥65 yr., a daily increase of 10 μg/m3 for PM2.5 and PM10 resulted in 1.439% (95%CI：0.599%-2.287%) and 1.150% (95%CI：0.566%-1.738%) increase in non-accidental emergency visits, respectively, after adjustment for all gaseous pollution. Conclusion High levels of PM2.5 and PM10 are associated with increased non-accidental emergency visits. Older people (over 65 years) are more sensitive to the acute health damage associated with PM2.5 and PM10.  
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