Receiver operating characteristic (ROC) curve was used for analyzing results and selecting cutoff values.
根据受试者工作特征曲线(ROC)分析结果并选定阳性参考值。
2
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。
3
Engineering methods and measures to curvecut-off in the reach from Dagong to Wang 'an are mainly introduced in order to supply reference for abnormal river pattern training.