Table 3.

ROC analysis of LAC, HCO₃⁻, and BE from the arterial blood gas tests.

ROC ABG
Parameter	Cutoff	Sensitivity	Specificity	AUC
LAC (mmol/L)	1.5	0.94 (0.73–0.99)	0.64 (0.41–0.83)	0.81
HCO3− (mmol/L)	24.7	0.75 (0.51–0.91)	0.83 (0.59–0.96)	0.78
BE (mmol/L)	−0.9	0.79 (0.54–0.94)	0.78 (0.52–0.96)	0.77