Fig. 3

Hemoglobin levels during the first 7 days after arrival at the ED. The restrictive RBC transfusion strategy (gray) was defined as RBC transfusion with a target hemoglobin level of 7–9 g/dL. The liberal RBC transfusion strategy (black) was defined as RBC transfusion with a target hemoglobin level of 10–12 g/dL. Data are expressed as medians (interquartile ranges). ED emergency department, RBC red blood cell