Pan Yan,Ruan Jianlei,Gao Gang,Piao Chunnan,Liu Jianxiang.Analysis of intercomparison results of national biological dose estimation capability in 2022[J].Chinese Journal of Radiological Medicine and Protection,2024,44(3):223-227
Analysis of intercomparison results of national biological dose estimation capability in 2022
Received:July 26, 2023  
DOI:10.3760/cma.j.cn112271-20230726-00021
KeyWords:Radiaton hygiene  Biological dose estimation  Chromosome aberration analysis  Intercomparison
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Author NameAffiliationE-mail
Pan Yan Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China  
Ruan Jianlei Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China  
Gao Gang Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China  
Piao Chunnan Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China  
Liu Jianxiang Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China liujianxiang@nirp.chinacdc.cn 
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Abstract::
      Objective To improve the ability of radiation health technical institutions for biological dose estimation. Methods A total of 144 institutions nationwide, including the CDC, prevention and treatment center for occupational disease, colleges and universities, scientific research institutes, nuclear industry systems, and medical and physical examination institutions, were organized to carry out the intercomparison of national biological dose estimation capabilities in 2022. The institutions participating in the comparison were divided into two types of A and B, through the identification of chromosome aberrations, to estimate the irradiation dose (A) or chromosome aberration rate (B). The results were summarized and compared, and the main problems were analyzed and discussed. Results There were 60 institutions in type A, 52 qualified institutions (including 12 excellent institutions) and 8 unqualified institutions, with a pass rate of 86.7% (20.0% excellent) and a failure rate of 13.3%. There were 84 institutions participating in the biological dose estimation comparison of type B, with 48 qualified institutions, and 36 unqualified institutions, the qualified rate was 57.1%, and the unqualified rate was 42.9%. Conclusions Most of the institutions participating in type A comparison have the ability to estimate biological dose, and more than half of the institutions participating in type B comparison have the ability to analyze chromosome aberration. The overall ability of institutions participating in type A comparison is higher than in type B.
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