Fig. 3From: A simple APACHE IV risk dynamic nomogram that incorporates early admitted lactate for the initial assessment of 28-day mortality in critically ill patients with acute myocardial infarctionReceiver operating characteristic curve (ROC) of the predictive model and in the internal validation model. The area under the curve (AUC) A shows the discrimination ability of the model, and AUC B of the internal validation model. The shaded blue portion represents the 95% confidence interval. CI, confidence intervalBack to article page