Using ROC curve plotting obtained the best decisive threshold.

绘制接受者操作特征(ROC)曲线，得出最佳评价指标。

ROC curve was used to determine the cut-off value of pre-operative metastases prediction.

建立ROC曲线确定术前淋巴结转移预报的界定值。

The ROC curve provided a range of values for establishing a cutoff value for each significant variable.

ROC曲线哒建立提供了每个重要变量哒临界值哒值哒范围。

Conclus ion Entropy method is practicable in diagnostic test and it is a supplement for traditional ROC curve.

结论熵方法在临床诊断评价中的应用是可行的，是对传统ROC曲线评价方法的补充。

Results Score of optimal cut off point of cerebral vascular hemodynamic indexes was under 75 in ROC curve analyses.

结果经过绘制受试者工作特征（ROC）曲线，血液动力学检测预警卒中的最佳积分值截断点应为75分以下。