| Yao Jie,Gao Linfeng,Qian Aijun,Wang Bin,Jiang Zhou.Survey on frequency of medical X-ray diagnosis in Shanghai[J].Chinese Journal of Radiological Medicine and Protection,2019,39(5):370-375 |
| Survey on frequency of medical X-ray diagnosis in Shanghai |
| Received:March 11, 2019 |
| DOI：10.3760/cma.j.issn.0254-5098.2019.05.009 |
| KeyWords:X-ray diagnosis Medical radiation Frequency |
| FundProject:国家自然科学基金（11775145） |
| Author Name | Affiliation | E-mail | | Yao Jie | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | | | Gao Linfeng | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | gaolinfeng@scdc.sh.cn | | Qian Aijun | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | | | Wang Bin | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | | | Jiang Zhou | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | |
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| Abstract:: |
| Objective To explore the distribution and application of diagnostic X-ray procedures in Shanghai through investigating the 49 sample medical institutions, to provide the theoretical basis of protective strategies for medical exposure. Methods According to the grade of medical institutions, stratified random samplings were used to select 49 medical institutions. The basic information of the surveyed medical institutions and person-times of various types of X-ray diagnostic procedures were gathered by radiology information system and manual recording. Results In the sampled medical institutions, 393 sets of X-ray equipment were engaged in X-ray diagnostic radiology, and the total number of X-ray diagnostic imaging was 4 442 662. The gender ratio of male and female was 1:0.99. The total frequency of diagnostic X-ray procedures was 1 228 examinations per thousand population, including 304 examinations per thousand population of CT scan, 105 examinations per thousand population of dental radiography. Conclusions The frequency of diagnostic X-ray procedures in 2016 increased compared with the data surveyed during the period of the "11th Five-year Plan", in which the frequency of CT procedures increased significantly. |
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