CRP and bacterial infectious disease with sepsis: The ROC analysis of the study biomarkers for the outcome of bacterial sepsis showed the following AUC (95%CI): serum HNL 0.72 (0.67–0.77), PCT 0.77 (0.72–0.82), CRP 0.71 (0.66–0.76), and leucocyte count 0.64 (0.59–0.70) (Fig. 3).