The Predictive Role of Lactate in the Emergency Department in Patients with Severe Dyspnea

Figure 4

ROC plot for ABG/VBG results. LAC: cutoff 2.5 mmol/L (sensitivity = 0.61 (0.43–0.76), specificity = 0.80 (0.68–0.88)), AUC 0.74; HCO₃⁻: cutoff 21.3 mmol/L (sensitivity = 0.90 (0.80–0.96), specificity = 0.55 (0.38–0.71)), AUC 0.71; BE: cutoff −0.3 mmol/L (sensitivity = 0.75 (0.63–0.84), specificity = 0.71 (0.54–0.85)), AUC 0.70.