Table 5

Institutional MTP criteria during the study period

Admission clinical criteriaOperating room clinical criteriaLaboratory criteria
SBP ≤70 mm HgNon-surgical hemorrhageBase deficit >8
Crystalloid >4 LEBL >150 cc/minInternational Normalized Ratio >1.4
Estimated Blood Loss (EBL) >1000 ccProthrombin Time >18 s
SBP <90 despite 3.5 L crystalloidPartial Thromboplastin Time >60 s
Temperature <34°CAdmission Hct <30
ISS >25pH <7.1
  • Only one of the criteria had to be met for activation of massive transfusion protocol.

  • ISS, Injury Severity Score; SBP, systolic blood pressure.