Figure 3. Area Under the Receiver Operating Characteristics Curve (AUROC) for Discrimination for Bacterial Infection and 30-Day Mortality.

Measurements were obtained among all critically ill patients within 12 hours of intensive care unit admission (day 0). A, Total white blood cell (WBC) count. B, Same-day maximum sequential organ failure assessment (SOFA) score as clinically available comparison metrics. IL-6 indicates interleukin 6.