IL6 and Sepsis: Authors have reported that serum IL-6 levels discriminated sepsis (AUC 0.83–0.94, p < 0.001; cut-off value, 52.6 pg/mL, 80.4% Se, 88.9% Sp) from controls, and also distinguished septic shock (AUC 0.71–0.89; cut-off value, 348.92 pg/mL, 76.1% Se, 78.4% Sp) from sepsis [73].