The principle for selection of cutoff value is investigated.
探讨了指示阈值的选择原则。
The optimal cutoff value of PCT for predicting a positive blood culture showed an increase as the estimated glomerular filtration rate declined.
在预测血培养阳性时，随着肾小球滤过率降低，PCT的最佳阈值升高。
Receiver operating characteristic curve (ROC) was used to evaluate the cutoff value of S-CEA level as a predicting factor for the prognosis of CRC.
应用ROC曲线探讨CEA作为结直肠术后复发的预测指标的意义及最佳临界值的划分。
As a predicting factor for the relapse and prognosis of CRC, the cutoff value of serum CEA level may be used as a diagnostic index different from the current diagnostic criteria for CRC.
作为影响预后的分层指标，血清cea的临界值可能与目前临床常用的诊断标准有所不同。
As a predicting factor for the relapse and prognosis of CRC, the cutoff value of serum CEA level may be used as a diagnostic index different from the current diagnostic criteria for CRC.
作为影响预后的分层指标，血清cea的临界值可能与目前临床常用的诊断标准有所不同。
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