Figure 3From: Blood transfusion in cardiac surgery is a risk factor for increased hospital length of stay in adult patients Box plot indicating the prolonged hospital length of stay according to category of red blood cell transfusion for each of the risk factors: (A) age, (B) EuroSCORE, (C) procedure and (D) left ventricular ejection fraction. RBC: red blood cell; EuroSCORE: European System for Cardiac Operative Risk Evaluation.Back to article page