| 不同臭氧度量指标对我国人群总死亡影响的Meta分析 |
| 摘要点击 3536 全文点击 1142 投稿时间：2021-05-12 修订日期：2021-07-05 |
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| 中文关键词 臭氧(O3) 臭氧度量指标 总死亡 Meta分析 中国 |
| 英文关键词 ozone(O3) ozone metrics total mortality Meta-analysis China |
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| 中文摘要 |
| 探讨不同臭氧度量指标对我国人群总死亡风险的影响.基于中国知网、万方数据库、维普中文服务平台、Web of Science和PubMed数据库，检索了建库至2020年12月底发表的相关时间序列研究和病例交叉研究，最终纳入22项合格研究.按照臭氧每日1 h最大浓度（O3-M1h）、每日8 h最大平均浓度（O3-M8h）和每日24 h平均浓度（O3-24h）分别进行Meta分析.结果表明，O3-M1h指标（RR#，1.0052；95% CI，1.0031~1.0073）与人群总死亡风险增加的关联更加密切，O3-24h指标（RR#，1.0036；95% CI，1.0025~1.0048）和O3-M8h指标（RR#，1.0031；95% CI，1.0022~1.0041）关联较弱.3类指标的亚组分析表明，冷季臭氧的总死亡风险更高，老年人（≥ 65岁）更容易受臭氧污染的影响，且北方地区总死亡风险高于南方地区. |
| 英文摘要 |
| This study explores the effect of different ozone metrics on the total mortality risk in China. Using the CNKI, Wanfang, VIP, Web of Science, and PubMed databases, the time series studies and case crossover studies from the establishment of each database to December 31, 2020 were retrieved, and 22 eligible studies were included in this analysis. A meta-analysis was performed for the ozone metrics of O3-M1h, O3-M8h, and O3-24h. The results indicated that the increase in the total mortality risk is more closely associated with O3-M1h (RR #, 1.0052; 95%CI, 1.0031-1.0073) and is more weakly associated with O3-24h (RR #, 1.0036; 95%CI, 1.0025-1.0048) and O3-M8h (RR #, 1.0031; 95%CI, 1.0022-1.0041). A subgroup analysis of the three metrics revealed that the total mortality risk of ozone is higher in the cold season, the elderly (≥ 65) are more vulnerable to ozone pollution, and the total mortality risk in the north is higher than that in the south. |
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