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作者于1982年在法国进行了一次全国性的医疗照射剂量水平的调查。对全国不同医院进行了分层抽样。剂量测量是在病人和逼真体模上直接进行的。调查的主要结果和结论如下。结果:①调查表明,1982年法国有4.54×10~7例X线检查。相当于820人次/千人口。其中男性为2.39×10~7例、女性为2.15×10~7例。一般胸部检查(不包括群检)占总数的34.1%,其次是肢体检查占22.1%、颅骨检查占8.9%、骨盆检查占7.5%。图中给出了不同性别和年龄组的频率调查结果。②
The author conducted a nationwide survey of medical exposure levels in France in 1982. Different hospitals across the country were stratified sampling. Dose measurement is performed directly on the patient and the realistic phantom. The main findings and conclusions of the survey are as follows. Results: ①The survey shows that in 1982 there were 4.54 × 10 ~ 7 X-ray examinations in France. Equivalent to 820 person-times per thousand population. Among them, 2.39 × 10 ~ 7 males and 2.15 × 10 ~ 7 females. General chest examination (excluding group examination) accounted for 34.1% of the total, followed by physical examination accounted for 22.1%, skull examination accounted for 8.9%, pelvic examination accounted for 7.5%. The figure shows the frequency of different gender and age group survey results. ②