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Receive operating characteristic (ROC) curves of machine-learning and logistic regression models for predicting prostate cancer (PCa) and clinically significant prostate cancer (CSPCa) in the validation cohort. a PCa: Gleason score ≥ 3 + 3; b CSPCa: Gleason score ≥ 3 + 4. Abbreviations ANN artificial neural network, SVM support vector machine, CART classification and regression tree, RF random forest, LR logistic regression
