Fig. 2From: Outcomes of post-cardiac surgery patients with persistent hyperlactatemia in the intensive care unit: a matched cohort studySurvival curve for cases of lactate ≥ 3.0 mmol/L showing survival probability for patients attaining peak lactate in ≥ 30 h (triangles) and those attaining their peak lactate in < 30 h (circles)Back to article page