“九五”期间孝感市医疗照射水平调查研究

目的调查孝感市医疗照射水平.方法按"九五"期间全国医疗照射调查方案进行普查,分层抽样和重点调查.结果 1996年和1998年孝感市X射线检查的频率为每千人口112.78人次和每千人口116.05人次.1998年核医学诊断和放射治疗的应用频率为每千人口0.202人次和每千人口0.05例.X射线照射类别构成摄影居首位,其次为透视.X射线受检者的年龄分布以＞40岁居多,性别分布差异不显著.结论孝感市医疗照射水平低于湖北省医疗照射水平.基层医院放射防护工作是重点.

Study on the medical radiation level in Xiaogan City during the 9th five-year plan

Objective] To investigate the medical radiation level in Xiaogan City. [Methods] Stratified sampling and investigation were conducted according to the national investigational plan for medical radiation during the 9th five-year plan. [Results] The investigation frequencies were 112.78/1 000 and 116.05/1 000 respectively in the year of 1996 and 1998. The application frequencies of radiation treatment in these two years were 0.202/1 000 and 0.05/1 000 respectively. X-ray occupied a large percentage and fluoroscopy was the next. X-ray treatment receivers were mainly above 40 years old. There was no significant difference in gender.[Conclusion] The medical radiation level in Xiaogan City is lower than that in Hubei Province. Emphasis should be put on basic radiation prevention.