Clin Chem:基于fitc的结直肠癌筛查项目的质量监测如何?

2019-07-20 gladiator MedSci原创

对于使用粪便免疫化学测试血红蛋白(FIT)的结直肠癌(CRC)筛查程序,质量评估的一致程序性能至关重要。然而,关于检验医学中适应度表现一致性的文献还比较缺乏。本研究检验了不同标本采集装置、lot试剂和实验室检测阳性或检测晚期肿瘤(AN)时FIT的一致性。

对于使用粪便免疫化学测试血红蛋白(FIT)的直肠癌CRC筛查程序,质量评估的一致程序性能至关重要。然而,关于检验医学中适应度表现一致性的文献还比较缺乏。本研究检验了不同标本采集装置、lot试剂和实验室检测阳性或检测晚期肿瘤(AN)FIT的一致性。

2014年和2015年荷兰CRC筛查计划中所有FIT样本的截断浓度为47μgHb/ g粪便的参与者均被纳入分析。采用多变量逻辑回归分析,估计收集装置、试剂和实验室检测阳性或检测出阳性预测值(PPV)的优势比。

研究发现,在1371169名参加者中,共有87519(6.4%)测试呈阳性。收集装置与试剂的阳性率、检出率均有差异(P < 0.01)。相比之下,在不同的收集设备、试剂或实验室中,PPVs没有发现差异(P > 0.05)。阳性检出率在实验室中有很小的差异(P = 0.004),但在AN的检出率中没有差异。受偏离阳性率影响的人口规模很小(占总测试人口的0.1%)。

研究表明,收集装置与试剂的阳性率和检出率存在差异,但PPV无明显变化。虽然预计这些变化对经过筛选的人口的总体人口影响不大,但仍需进一步改善。

原始出处:

Esther Toes-Zoutendijk, Johannes M.G. Bonfrer,Quality Monitoring of a FIT-Based Colorectal Cancer Screening Program

本文系梅斯医学(MedSci)原创编译整理,转载需授权!


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