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ROC curves and calibration plots for EPLT, Gail, and HCBCP models. Orange, blue, and green represent curves or plots of EPLT, Gail, and HCBCP models, respectively. (A) ROC curves for internal validation set and (B) external validation set; (C) calibration plots for internal validation set and (D) external validation set. EPLT: Ensemble penalized long-term; ROC: Receiver operating characteristic.
