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为进一步证实非吸烟人群肺癌发生与居住环境氡暴露有关 ,从不吸烟的肺癌患者和不吸烟的对照人群进行了病例对照研究。对住所的氡浓度进行全面测量 ,结合前期开展的肺癌与居住环境氡暴露作了病例对照研究。结果表明 ,居住环境氡暴露对被动吸烟者更加有害。平均氡浓度每增加 1 0 0 Bqm-3 ,肺癌的相对危险度大约增加 1 0 % ,这一研究结果与截至目前为止所有氡研究结果大致相似
In order to further confirm that lung cancer in non-smokers is related to radon exposure in residential environment, a case-control study was conducted on non-smokers with lung cancer and non-smokers. The radon concentration in the dwelling place was measured comprehensively, and the case-control study was carried out in combination with the radon exposure of lung cancer and residential environment. The results show that radon exposure to living environment is more harmful to passive smokers. The relative risk for lung cancer increases by about 10% for every increase in mean radon concentration of 100 Bqm-3, a finding that is broadly similar to all radon studies so far