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山东大学学报 (医学版) ›› 2025, Vol. 63 ›› Issue (2): 95-103.doi: 10.6040/j.issn.1671-7554.0.2024.0176

• 公共卫生与预防医学 • 上一篇    下一篇

合肥市空气O3对儿童呼吸系统疾病急诊就诊量的影响

肖长春,余林玲,鄢德瑞,朱昱   

  1. 合肥市疾病预防控制中心环境卫生科, 安徽 合肥 230091
  • 出版日期:2025-03-10 发布日期:2025-03-07
  • 通讯作者: 朱昱. E-mail:1061693360@qq.com
  • 基金资助:
    环境健康风险评估试点项目

Effects of ozone on emergency room visits of respiratory diseases among children in Hefei City

XIAO Changchun, YU Linling, YAN Derui, ZHU Yu   

  1. Department of Environmental Health, Hefei Center for Disease Control and Prevention, Hefei 230091, Anhui, China
  • Online:2025-03-10 Published:2025-03-07

摘要: 目的 探讨合肥市空气O3暴露对儿童呼吸系统疾病急诊就诊量影响。 方法 收集合肥市某儿童医院2017年1月1日至2019年12月31日逐日儿童急诊就诊资料、空气污染物监测资料和气象资料。基于分布滞后非线性模型(distributed lag non-linear model, DLNM)评估不同质量浓度O3对儿童呼吸系统疾病急诊就诊量的影响,模型中调整气象因素、时间趋势和星期几等变量。 结果 研究期间共纳入因儿童呼吸系统疾病急诊就诊153 995人次,儿童呼吸系统疾病急诊就诊量随O3质量浓度上升而增加。相对于60 μg/m3,O3质量浓度在P25、P50、P75P95时儿童呼吸系统疾病急诊就诊量单日滞后效应相对危险度(relative risk, RR)及95%置信区间(confidence interval, CI)分别为1.004(1.000~1.008)、1.031(1.016~1.045)、1.062(1.037~1.087)和1.084(1.053~1.115),累积滞后效应RR(95%CI)分别为1.009(1.001~1.013)、1.082(1.046~1.119)、1.185(1.112~1.263)和1.244(1.159~1.336)。O3质量浓度对男孩和女孩呼吸系统疾病急诊就诊量的影响差异无统计学意义。不同疾病中,P25P95浓度范围O3对急性上呼吸感染、急性下呼吸道感染及肺炎急诊就诊量影响的单日滞后效应RR分别为1.006~1.072、1.006~1.058和1.005~1.060,累积滞后效应RR分别为1.009~1.223、1.003~1.359和1.017~1.450。 结论 合肥市空气O3质量浓度升高可能会增加儿童呼吸系统疾病发病风险。

关键词: 臭氧, 儿童, 呼吸系统疾病, 急诊, 分布滞后非线性模型

Abstract: Objective To explore the effect of O3 exposure on emergency room visits for children with respiratory diseases in Hefei City. Methods Day-by-day data on childrens emergency department visits, air pollutant monitoring data and meteorological data were collected from January 1 2017 to December 31 2019 at a childrens hospital in Hefei City. The effects of different concentrations of O3 on childrens emergency department visits for respiratory diseases were evaluated based on a distributed lag non-linear model(DLNM), in which the variables such as meteorological factors, temporal trends, and days of the week were adjusted. Results A total of 153,995 emergency room visits for childhood respiratory diseases were included in the study period, and the number of emergency room visits for childhood respiratory diseases increased with the increase of O3 concentration. Relative to 60 μg/m3, the RR(95%CI)values of single-day lag effects of O3 concentrations at P25, P50, P75 and P95 on emergency room visits of children were 1.004(1.000-1.008), 1.031(1.016-1.045), 1.062(1.037-1.087)and 1.084(1.053-1.115), respectively, and the RR(95%CI)values of cumulative lag effects were 1.009(1.001-1.013),1.082(1.046-1.119), 1.185(1.112-1.263)and 1.244(1.159-1.336), respectively. Effects of O3 on emergency room visits for respiratory diseases between boys and girls had no statistically significant different. Among different diseases, the RR values of single-day lag effects of O3 at concentrations range of P25 to P95 on the number of emergency room visits for acute upper respiratory infection, acute lower respiratory infection and pneumonia were 1.006-1.072, 1.006-1.058 and 1.005-1.060, and the RR values of cumulative lag effects were 1.009-1.223, 1.003-1.359 and 1.017-1.450, respectively. Conclusion Elevated O3 concentrations in Hefei City may increase the risk of respiratory diseases in children.

Key words: Ozone, Children, Respiratory diseases, Emergency room visit, Distributed lag non-linear model

中图分类号: 

  • R122
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