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Receiver operating characteristics (ROC) curves of the nomograms in training and validation cohort. (A) The ROC curve of the training cohort; (B) The ROC curve of the validation cohort. The nomogram had a good discriminative performance with Area under ROC curve (AUC) (95% confidence interval) of 0.92 (95% CI: 0.89-0.95) and 0.82 (95% CI: 0.74-0.89) in the training and validation cohort, respectively.
