Fig. 4From: Prognostic dynamic nomogram integrated with metabolic acidosis for in-hospital mortality and organ malperfusion in acute type B aortic dissection patients undergoing thoracic endovascular aortic repairDecision curve analysis (DCA) for the predictive nomogram in the derivation (a) and external validation (b) cohorts. Black line: All patients died; Grey line: None of the patients died; Red line: the predictive nomogram modelBack to article page