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

Figure 3

ROC plot for VBG results. LAC: cutoff 3.3 mmol/L, sensitivity = 0.47 (0.23 to 0.72), specificity = 0.91 (0.78 to 0.97), AUC 0.68; HCO₃⁻: cutoff 23.4 mmol/L, sensitivity = 0.71 (0.44 to 0.90), specificity = 0.76 (0.60 to 0.87), AUC 0.67; BE: cutoff −0.4 mmol/L, sensitivity = 0.65 (0.38 to 0.86), specificity = 0.78 (0.63 to 0.89), AUC 0.65.