Figure 1From: Earlobe arterialized capillary blood gas analysis in the intensive care unit: a pilot studyDifferences between capillary and arterial measures. Bland-Altman plots evaluating pH, PO2, PCO2 and lactate measure differences between earlobe arterialized capillary blood and arterial blood. X-axis: average arterial measure. Y-axis: mean difference between earlobe arterialized capillary blood samples (EABC®/i-STAT®) and arterial samples (ABL 700®) of each gasometric and lactate measure.Back to article page