Study selection
An electronic search was conducted in PubMed and Embase for articles published from 1986 to 2013. In addition, we searched for ongoing trials on www.controlled-trials.com and www.clinicaltrials.gov.
The following subject headings and free text words were used: (“Blood Coagulation Disorders”[Mesh] OR “Blood Coagulation”[Mesh] OR Coagulation[tiab] OR coagulopathy[tiab] OR “Fibrinolysis”[Mesh] OR Fibrinolysis[tiab] OR hypofibrinolysis[tiab] OR hyperfibrinolysis[tiab]) OR (“Blood Transfusion”[Mesh] OR Transfusion[tiab] OR “Transfusion Medicine”[Mesh] OR “Erythrocyte Transfusion”[Mesh] OR “Blood Component Transfusion”[Mesh]) AND (“Multiple Organ Failure”[Mesh] OR multiple organ failure*[tiab] OR MOF[tiab] OR (infection*[tiab] AND trauma[tiab])) AND (“Multiple Trauma”[Mesh] OR multiple trauma[tiab] OR “Wounds and Injuries”[Mesh] OR “Injury Severity Score”[Mesh] OR Injury Severity Score[tiab] OR ISS[tiab] (Table S2 in Supplementary Material).