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Feature selection and model performance for predicting severe acute pancreatitis (SAP) in patients with metabolic syndrome (MetS). Feature selection using the least absolute shrinkage and selection operator (LASSO). (A) Feature selection; (B) Curve of coefficient variation. The receiver operating characteristic (ROC) curve for the models. (C) Training set; (D) Test set. Decision curve analysis of the models. (E) Training set; (F) Test set.
