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Decision Curves for PCE, China-PAR and Machine Learning-based Models. Abbreviations: PCE, Pooled Cohort Equations; ReChina-PAR, Recalibrated China-PAR; ANN, Artificial Neural Network; RF, Random Forest; GBM, Gradient Boosting Machine; KNN, K Nearest Neighbor; Adaboost, Adaptive Boosting; SVM, Support Vector Machine; Catboost, Categorical Boosting
