评估双样口服胆酸盐挑战测试的性能:HepQuant DuO测试
Michael P McRae1, Touraj Shokati2, Uwe Christians3
1Custom DX Solutions LLC, Houston, TX, USA.
概括
新的HepQuant DuO测试可靠地测量肝功能,其精度和特异性与已建立的HepQuant SHUNT测试相美. 这种简化双样口服胆酸盐挑战为评估肝脏生理学提供了一种可靠的方法.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 生物标志物发现发现
- 临床化学 临床化学
背景情况:
- 目前的肝脏健康评估缺乏肝功能和生理学的直接测量.
- 经过验证的HepQuant SHUNT测试量化肝功能,并与临床结果相关.
- 为了提高可靠性,开发了一个简化的版本,HepQuant DuO测试.
研究的目的:
- 为了确定简化的HepQuant DuO测试的可靠性.
- 为了将HepQuant DuO测试与验证的HepQuant SHUNT测试进行比较.
- 评估HepQuant DuO测试的精度,分析特异性和一致性.
主要方法:
- 在各种肝病病因学上使用SHUNT-V研究样本评估测试可靠性.
- 将HepQuant DuO试验分析物的测量与HepQuant SHUNT试验进行了比较.
- 在四天内使用双向嵌套的等级ANOVA评估精度和不精度.
- 在用内源性C-胆酸添加的样本中评估分析特异性.
主要成果:
- Quant DuO测试证明了与SHUNT测试的等价性,平均偏差为2.6%.
- 对于HepQuant DuO测试参数的总不精确度在0.6%至2.1%之间.
- 分析特异性得到证实,高度C-胆酸的干扰最小 (≤3.2%的变化).
结论:
- Quant DuO测试是可靠的,表现出精度,分析特异性和与Quant SHUNT测试的一致性.
- 建立了HepQuant DuO测试的可报告范围和参考间隔.
- Quant DuO测试提供了一种可靠的方法来评估肝功能和生理学.
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