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Receiver operating characteristics (ROC) analysis for the cutoffs of ENE for DFS and OS. (A) ROC curve of PD-ENE to predict DFS. (B) ROC curve of PD-ENE to predict OS. (C) ROC curve of CD-ENE to predict DFS. (D) ROC curve of CD-ENE to predict OS. The black dot indicated the optimal threshold. The area under the curve (AUC), 95% confidence interval (CI) and p-value were listed in the picture.
