Fig. 4From: Comparison of machine learning methods with logistic regression analysis in creating predictive models for risk of critical in-hospital events in COVID-19 patients on hospital admissionImportance of predictor variables in models predicting critical in-hospital events from COVID-19-infected patient’s clinical data on hospital admission (A–F). Permutation based performance loss of all variables for the LR model (A), the regularized regression models L1 (B), L2 (C) and EN (D), and the SVM (E) and RF (F) modelBack to article page