Fig. 1

The study flowchart. CAP: community-acquired pneumonia. HF: heart failure. LASSO: Least Absolute Shrinkage and Selection Operator. SVM-RFE: Support Vector Machine-Recursive Feature Elimination. RF: Random Forest.

The study flowchart. CAP: community-acquired pneumonia. HF: heart failure. LASSO: Least Absolute Shrinkage and Selection Operator. SVM-RFE: Support Vector Machine-Recursive Feature Elimination. RF: Random Forest.