美国国家临床实验室标准化委员会(NCCLS)于1995年批准“Receiver Operating Characteristic(ROC)曲线用作实验室试验的临床准确性评价”的准则[1]。ROC的原意是“接收器工作特性”,首先由通讯领域开始使用,故名。ROC曲线用作检验项目的临床准确性评价其优点有:(1)确定某检验项 The National Committee for Clinical Laboratory Standards (NCCLS) approved the “Receiver Operating Characteristic (ROC) curve as a guideline for the clinical accuracy of laboratory tests” in 1995 [1]. The original intention of the ROC is “receiver operating characteristics”, first started by the communications field, hence the name. ROC curve used as a test item clinical accuracy evaluation of its advantages are: (1) to determine a test item