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. 2017 Apr 17;1:6. doi: 10.1038/s41698-017-0006-1

Fig. 5.

Fig. 5

Receiver operating characteristic (ROC) curve for pCR to determine the CEP increase cut-off. The x-axis indicates 1-specificity, and the y-axis indicates sensitivity. The area under the ROC curve was 0.74. It gave the CEP increase cut-off as 15 cells (AUC = 0.74)