MIF and bacterial infectious disease: With respect to the diagnosis of bacterial infection we obtained AUCs of 0.94 (95% CI 0.87–1.00) for the six-marker test, 0.88 (95% CI 0.78–0.97) for the three-marker test, 0.88 (95% CI 0.79–0.97) for CRP, 0.79 (95% CI 0.67–0.91) for PCT, 0.76 (95% CI 0.62–0.91) for sTREM-1, 0.72 (95% CI 0.56–0.89) for neutrophils, 0.66 (95% CI 0.47–0.85) for MIF and 0.54 (95% CI 0.34–0.74) for suPAR.