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| A survey of management status of radiation workers in medical institutions in Dongcheng District, Beijing in 2019 |
| ZHAO Sijing, WEI Xiang |
| Beijing Dongcheng District Center for Disease Control and Prevention, Beijing 100062 China |
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Abstract Objective To understand the management status and level of radiation workers in medical institutions, and to provide a basis for strengthening supervision.Methods To design the questionnaire in a unified manner including the following contents: basic information, training, physical examination, certification, file and personal dose of radiation workers, statistical methods using χ2 test and variance analysis, significant level α = 0.05, P < 0.05 was statistically significant.Results There were 1209 radiation workers in the hospital, including 682 males (56.4%), 603 people (49.9%) with junior professional titles, 449 people (37.1%) with intermediate professional titles, 157 people (13.0%) with senior professional titles, and 826 people (68.4%) with bachelor degree or above. The distribution of gender, professional title and educational background of radiological staff in different hospitals was different and the differences are statistically significant (P < 0.001); the trend χ2 test results show that the higher the hospital level, the higher the titles and degree of the radiation workers (P < 0.001); The radiation staff training rate, personal dose monitoring filing rate and occupational health examination filing rate were all 100%. The radiation staff physical examination rate and certificate holding rate are 98.5% and 99.6%, respectively. There was no statistically significant difference between the physical examination rate and the certification rate of the staff in different hospitals (P > 0.05); The personal dose monitoring rate and frequency rate were 100.0% and 93.7%, respectively. The collective annual dose and the average annual dose were 201.55 mSv and 0.17 mSv, respectively. The difference in the average annual dose (P < 0.001) of different hospitals was statistically significant. The average annual dose of radiology staff in tertiary hospitals was significantly higher than that in other hospitals (P < 0.05). The difference in the average annual dose (P < 0.001) of different positions was statistically significant. The average annual dose of radiotherapy and nuclear medicine radiology workers was significantly higher than that of other positions (P < 0.05).Conclusion Medical institutions should improve the management of radiation workers and strengthen the monitoring of personal doses and personal protection.
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Received: 22 May 2020
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