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在多个仪器中使用共同的质量控制目标时测试错误检测:使用模拟和真实世界的数据进行分析
1Division of Clinical Biochemistry, Sidra Medicine, Doha, Qatar.
Annals of clinical biochemistry
|January 3, 2024
概括
在相同的实验室仪器上,共同的质量控制 (QC) 目标减少了错误检测,并导致QC失败率不平等. 对于准确的测定监测,个人质量控制目标是可取的.
科学领域:
- 临床实验室诊断临床实验室诊断
- 分析化学是一种分析化学.
- 质量管理系统 质量管理系统
背景情况:
- 临床实验室经常使用相同的仪器和质量控制 (QC) 规则.
- 对于质量控制目标的最佳方法 - - 每个分析仪的个体或所有分析仪的共同点 - - 尚不清楚.
- 本研究调查了常见的QC目标对测试错误检测的影响.
研究的目的:
- 模拟常见的质量控制目标对测试错误检测和错误拒绝率的影响.
- 为了比较共同的质量控制目标与相同工具上的单个质量控制目标的性能.
- 用实际的质量控制数据来评估现实世界的后果.
主要方法:
- 模拟了偏差和不准确性对错误检测的效应,使用常用与个人QC目标.
- 在六个月内分析了两个相同的贝克曼仪器的质量控制数据.
- 每种仪器使用100多个QC数据点进行现实世界后果确定.
主要成果:
- 共同的质量控制目标对仪器之间的系统错误检测产生了不对称的影响.
- 如果个别测试标准偏差 (SD) 不同,共同的目标会增加一个仪器的QC故障.
- 在33%的测试中,共同的目标使错误检测率降低了≥0.4西格玛,并且导致一个仪器的控制试验失败的频率增加了两倍 (31%的试验).
结论:
- 共同的质量控制目标可以减少检测个体试验性能变化的检测.
- 共同的目标可能导致一个仪器的质量控制失败率不成比例地高于另一个仪器.
- 需要进一步的研究来确定常见的QC目标的临床影响.
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