JCLA:2011-2016年中国心脏生物标志物质量标准和内部质量控制状况

2018-05-31 MedSci MedSci原创

这项研究旨在调查2011年至2016年心脏生物标记物的内部质量控制(IQC)状况,以便能够全面了解中国测量精度水平并设置适当的指标。 通过基于网络的外部质量评估(EQA)系统收集包括肌酸激酶MB(CK-MB)(μg/ L),CK-MB(U / L),肌红蛋白(Mb),心肌肌钙蛋白I(cTnI),心肌肌钙蛋白T(cTnT)和同型半胱氨酸(HCY)等心脏生物标志物的内部质量控制数据。计算满足当前

这项研究旨在调查2011年至2016年心脏生物标记物的内部质量控制(IQC)状况,以便能够全面了解中国测量精度水平并设置适当的指标。

通过基于网络的外部质量评估(EQA)系统收集包括肌酸激酶MBCK-MB)(μg/ L),CK-MBU / L),肌红蛋白(Mb),心肌肌钙蛋白IcTnI),心肌肌钙蛋白TcTnT)和同型半胱氨酸(HCY)等心脏生物标志物的内部质量控制数据。计算满足当前变异系数(CV)的五个精密质量规格的实验室的百分比。然后,为这六种分析物选择适当的精确标准。最后,用不同的分组方法进一步分析CVIQC

结果显示,目前的CV6年内几乎保持不变。cTnT每年对五种规格的合格率最高,而HCY合格率最低。总体而言,如果使用三分之一TEa或最低规格,大多数分析物的性能令人满意(合格率> 80%),但HCY除外。当应用最佳规格时,除cTnT外,大多数分析物的表现令人失望(合格率<60%)。MbcTnIcTnTHCY的适当精度指标分别设定为当前CV分别小于9.20%,9.90%,7.50%,10.54%,7.63%和6.67%。IQC实践的数据表明变化很大和实质性的进展。

cTnT的精密性能已经令人满意,而其他五种分析物,特别是HCY,仍然不好; 因此,仍然需要对IQC持续调查和不断改进。

原始出处:

Shuo Wang  Min Zhao, Dandan Wu  Jiwen Kang, Distribution of Mycobacterium tuberculosis in Korea in the preceding decade

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    2018-05-31 虈亣靌

    学习了.获益匪浅.感谢分享

    0

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