Fig. 2.
ROC curve and AUC analysis for 28-day mortality prediction within the derivation (a) and validation (b) cohorts following presentation to the emergency department. AUC area under the curve, CRB-65 severity score for community-acquired pneumonia, CRP C-reactive protein, LR- negative likelihood ratio, LR+ positive likelihood ratio, MR-proADM mid-regional proadrenomedullin, NEWS National Early Warning Score, OR diagnostic odds ratio, NPV negative predictive value, PCT procalcitonin, PPV positive predictive value, qSOFA quick Sequential Organ Failure Assessment, ROC receiver operating characteristic, SIRS systemic inflammatory response syndrome, SOFA Sequential Organ Failure Assessment