From: Immediate screening method for predicting the necessity of massive transfusions in trauma patients: a retrospective single-center study
Shock index
BE
FAST
AUROC
95% CI
≧1
≦ − 2.0
positive
0.919
0.869–0.968
≦ − 3.0
0.934
0.891–0.978
≦ − 4.0
0.928
0.875–0.981
≧0.8
0.909
0.858–0.960
≧1.5
0.895
0.831–0.959