Fig. 2

ROC curves of the measured parameters when comparing the patients discharged home from the emergency department with the hospitalized patients. AUROC (95% CI): suPAR, 0.58 (0.48–0.69); CRP, 0.60 (0.50–0.71); lactate 0.53 (0.42–0.64); all statistically and clinically nonsignificant. ROC receiver operating characteristic, AUROC area under the receiver operating characteristic, CI confidence interval, suPAR soluble urokinase plasminogen activator receptor, CRP C-reactive protein