Figure 2. Receiver Operating Characteristic Curves of Score for Emergency Risk Prediction (SERP) Scores and Other Benchmark Clinical Scores for 2- and 7-Day Mortality.

AUC indicates area under the curve; CART, Cardiac Arrest Risk Triage; MEWS, Modified Early Warning Score; NEWS, National Early Warning Score; PACS, Singapore-based Patient Acuity Category Scale; RAPS, Rapid Acute Physiology Score; REMS, Rapid Emergency Medicine Score.