Fig. 4From: The Restrictive Red Blood Cell Transfusion Strategy for Critically Injured Patients (RESTRIC) trial: a cluster-randomized, crossover, non-inferiority multicenter trial of restrictive transfusion in traumaCumulative transfusion volume during the first 28Â days after arrival at the ED. White, restrictive RBC transfusion strategy; gray, liberal RBC transfusion strategy. Data are expressed as medians (interquartile ranges). ED emergency department, FFP fresh frozen plasma, RBC red blood cellBack to article page