韩国喘的老年人短期PM2.5暴露和死亡率
Sun Jae Park1, Hyeokjong Lee1, Min Chae Kim2
1Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, The Republic of Korea.
概括
短期暴露于细颗粒物 (PM2.5) 增加了患有喘的老年人死亡风险. 这凸显了针对性战略的必要性,以保护这个脆弱的人群免受空气污染的影响.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 老年学是一门学科.
背景情况:
- 人们越来越担心空气污染对健康的不利影响.
- 对患有喘的老年人中细颗粒物 (PM) 暴露的死亡风险的研究有限.
研究的目的:
- 调查短时间暴露于PM2.5和被诊断患有喘的老年人死亡风险之间的关联.
主要方法:
- 利用韩国国家健康保险服务数据库 (2015-2021).
- 包括在研究期间死亡的139,189名65岁以上喘患者.
- 采用时间分层的案例交叉设计与有条件后勤回归来评估PM2.5对死亡率的影响,调整环境变量和假日.
主要成果:
- 暴露于PM2.5的最高四分位数 (滞后0) 与增加的死亡风险有显著的关联 (aOR 1.048,95% CI 1.021-1.077).
- 对于滞后1 (aOR 1.032,95%CI 1.005-1.060) 和滞后0-1 (aOR 1.022,95%CI 0.994-1.051) 的情况,也观察到类似的趋势.
- 死亡风险的显著趋势与不同滞后期中PM2.5暴露的四分位数增加有关 (趋势p<0.022).
结论:
- 流行病学证据证实,短期暴露PM2.5与患有喘的老年人死亡率增加之间存在关联.
- 调查结果强调了针对性预防策略的必要性,以减轻空气污染对这个脆弱群体的健康风险.
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