Additional file 2 of Development of a new score for early mortality prediction in trauma ICU patients: RETRASCORE

Additional file 2: Figure S2-1. Flow diagram for selection of patients. Figure S2-2: Selection of variables using LASSO (Least Absolute Shrinkage and Selection Operator) binary logistic regression model. Figure S2-3. Performance evaluation of the logistic regression (LR) model. Figure S2-4. Performance evaluation of the TRISS model. Figure S2-5. Performance evaluation of the RETRASCORE model.