Mortality prognostic value of plasma presepsin compared to PCT, CRP and lactate at T0 time Index Cut - off Sensitivity Specificity AUC KTC 95% p Presepsin (pg / mL) 488, 1 73, 9% 70, 2% 0, 77 0, 66 - 0, 86 < 0, 001 PCT (ng / mL) 35 81, 8% 31, 5% 0, 52 0, 39 - 0, 63 > 0, 05 CRP (mg / L) 72, 3 50% 72, 2% 0, 53 0, 41 - 0, 65 > 0, 05 Lactat (mmol / L) 5, 4 47, 8% 82, 5% 0, 65 0, 54 - 0, 75 < 0, 05 Lactate concentration has a weak prognosis value (AUC 0.65, p <0.05), at cutoff 5.4 mmol / L has sensitivity 47.8%, specificity 82.5%.