Fig. 1From: Carboxyhemoglobin, a reliable diagnosis biomarker for hemolysis in intensive care unit: a retrospective studyReceiver operator characteristic curves for hemolysis biomarkers: carboxyhemoglobin (HbCO) (black square), AUC = 0.93 (CI 95% [0.89–0.96]); lactate dehydrogenase (gray diamond), AUC = 0.80 (CI 95% [0.73–0.86]), unconjugated bilirubin (light gray triangle), AUC = 0.77, (CI 95% [0.71–0.84]) and methemoglobin (reversed light gray triangle), AUC = 0.71 (CI 95% [0.64–0.79])Back to article page