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Table 6 Subset of patients with creatinine > 2.0 mg/dl excluded

From: Anion gap, anion gap corrected for albumin, base deficit and unmeasured anions in critically ill patients: implications on the assessment of metabolic acidosis and the diagnosis of hyperlactatemia

ROC Area Under the Curve for AG, ACAG & BD
Hyperlactatemia defined as serum lactate > 2.5 mmol/L
Variable ROC AUC CIs
Anion Gap 0.68 0.59 – 0.77
ACAG 0.71 0.59 – 0.84
Base Deficit 0.77 0.69 – 0.85
ROC Area Under the Curve for AG, ACAG & BD
Hyperlactatemia defined as serum lactate > 4.0 mmol/L
Variable ROC AUC CIs
Anion Gap 0.90 0.83 – 0.97
ACAG 0.96 0.91–0.99
Base Deficit 0.75 0.62 – 0.88
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