Lower extremity | TQ+ (n=26) | TQ− (n=26) | P value |
HR, mean (SEM), bpm | 106 (8) | 101 (5) | NS |
SBP, mean (SEM), mm Hg | 120 (7) | 132 (5) | NS |
Hematocrit, mean (SEM), % | 36.5 (1.6) | 38.7 (1.0) | NS |
Received transfusion in the first 24 hours, n (%) | 16 (62) | 20 (77) | NS |
pRBCs, mean (SEM), units | 5.5 (1.0) | 5 (2.0) | NS |
FFP, mean (SEM), units | 4.3 (0.9) | 3.4 (1.5) | NS |
Initial amputation, n (%) | 11 (42) | 4 (15) | 0.03 |
FFP, fresh frozen plasma; bpm, beats per minute; HR, heart rate; NS, not significant; pRBCs, packed red blood cells.SBP, systolic blood pressure; TQ−, without tourniquet placement; TQ+, with prehospital tourniquet;