Indoor Radon Survey in 31 Provincial Capital Cities and Estimation of Lung Cancer Risk in Urban Areas of China.

Biomedical and environmental sciences : BES Pub Date : 2024-11-20 DOI:10.3967/bes2024.165

Xiaoxiang Miao, Yinping Su, Changsong Hou, Yanchao Song, Bowei Ding, Hongxing Cui, Yunyun Wu, Quanfu Sun

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Abstract

Objective: We aimed to analyze the current indoor radon level and estimate the population risk of radon-induced lung cancer in urban areas of China.

Methods: Using the passive monitoring method, a new survey on indoor radon concentrations was conducted in 2,875 dwellings across 31 provincial capital cities in Chinese mainland from 2018 to 2023. The attributable risk of lung cancer induced by indoor radon exposure was estimated based on the risk assessment model.

Results: The arithmetic mean (AM) and geometric mean (GM) of indoor radon concentrations were 65 Bq/m³ and 55 Bq/m³, respectively, with 13.6% of measured dwellings exceeding 100 Bq/m³ and 0.6% exceeding 300 Bq/m³. The estimated number of lung cancer deaths induced by indoor radon exposure was 150,795, accounting for 20.30% (95% CI: 20.21%-20.49%) of the lung cancer death toll.

Conclusion: This study provided the most recent data on national indoor radon levels in urban areas and the attributable risk of lung cancer. These results served as an important foundation for further research on the disease burden of indoor radon exposure and radon mitigation efforts.

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中国31个省会城市室内氡调查及城市地区肺癌风险评估

目的：分析中国城市室内氡水平现状，评估氡诱发肺癌的人群风险。方法：采用被动监测方法，对2018 - 2023年中国大陆31个省会城市2875户居民进行室内氡浓度调查。基于风险评估模型估算室内氡暴露诱发肺癌的归因风险。结果：室内氡浓度的算术平均值（AM）和几何平均值（GM）分别为65 Bq/m³和55 Bq/m³，其中13.6%的被测住宅超过100 Bq/m³，0.6%超过300 Bq/m³。室内氡暴露导致的肺癌死亡人数估计为150,795人，占肺癌死亡人数的20.30% （95% CI: 20.21%-20.49%）。结论：本研究提供了全国城市地区室内氡水平和肺癌归因风险的最新数据。这些结果为进一步研究室内氡暴露的疾病负担和减少氡的努力提供了重要基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Biomedical and environmental sciences : BES

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