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Receiver operating characteristic curves for the prediction of invasiveness of ACPs in the training and validation sets. (A) For the training set, the area under the curve (AUC) was 79.09% with a sensitivity, specificity and accuracy of 81.97, 66.74, and 75%, respectively. (B) For the validation set, the AUC was 73.5% with a sensitivity, specificity and accuracy of 69.53, 72.44, and 66.53%, respectively.
