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Analysis of Mammography Quality Control Results: Evidence for a Change in Test Frequency?

机译:乳房X线摄影质量控制结果分析:试验频率变化的证据?

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We investigated the link between the results from daily quality control (QC) data, on the one hand, and from successive half-yearly medical physics QC visits on the other hand. To do so, criteria defining 'unchanged results' were set for both the daily QC data and the half-yearly QC results. Out of the results of 181 QC visits and daily QC at the time of the QC visit, we found that systems that showed little or no deviation in daily constancy performance were likely to show basically unchanged results in the half-yearly medical physics test. The specificity of the daily QC data for a change in results at QC visits was 93% for the dose and SDNR test and 88% for a change in contrast threshold values. Daily QC data could be used to prioritize the work load of the medical physicist.
机译:我们在一方面调查了日常质量控制(QC)数据的结果之间的链接,另一方面从连续的半年度医疗物理QC访问。为此,为日常QC数据和半年度QC结果设置了定义“不变结果”的标准。在QC访问时,181 QC访问和日常QC的结果,我们发现,在半年医疗物理测试中可能表现出几乎没有偏差的系统,显示出几乎或没有偏差。对于QC访问的结果的变化的日常QC数据的特异性为剂量和SDNR试验的93%,并且对比度阈值的变化为88%。每日QC数据可用于优先考虑医疗物理学家的工作负荷。

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