Table 1 –
Characteristics of patients with hemorrhagic shock (n=60)
| Variable | % | Mean | Std Dev |
Median | Lower Quartile |
Upper Quartile |
|---|---|---|---|---|---|---|
| Age (years) | 35.8 | 13.6 | 32 | 24.5 | 47 | |
| Sex=male | 75.00% | |||||
| Blunt trauma | 53.30% | |||||
| NISS | 30 | 21 | 32 | 12 | 43 | |
| Max AIS head | 1.1 | 1.8 | 0 | 0 | 2.5 | |
| Max AIS chest | 2 | 1.8 | 2 | 0 | 3 | |
| Max AIS abdomen/pelvis | 1.9 | 1.9 | 2 | 0 | 3 | |
| Max AIS extremities | 1.4 | 1.7 | 0.5 | 0 | 3 | |
| Field SBP (mmHg) | 60.2 | 31.3 | 70 | 50 | 85 | |
| Field Heart Rate (bpm) | 105.4 | 30.2 | 110 | 100 | 120 | |
| Field GCS | 10.5 | 4.6 | 12.5 | 7 | 15 | |
| ED SBP (mmHg) | 96.4 | 34.7 | 91 | 79 | 112 | |
| ED Heart Rate (bpm) | 109.2 | 27 | 116 | 93.5 | 127.5 | |
| ED GCS | 11.3 | 4.9 | 14 | 9 | 15 | |
| Coagulation Assays | ||||||
| ED INR | 1.4 | 0.5 | 1.2 | 1.1 | 1.4 | |
| ED INR>1.3 | 38.30% | |||||
| ED aPTT (sec) | 33.1 | 15 | 27.5 | 24.2 | 37.9 | |
| ED aPTT>34sec | 31.70% | |||||
| Blood Product | ||||||
| Transfusions | ||||||
| RBC units/6hrs | 5.7 | 7.9 | 2 | 0 | 9.5 | |
| Received RBC/6hrs | 65% | |||||
| Plasma units/6hrs | 2.7 | 4 | 1 | 0 | 5 | |
| Received Plasma/6hrs | 55% | |||||
| Platelet units/6hrs | 0.6 | 1.2 | 0 | 0 | 1 | |
| Received Platelets/6hrs | 30% | |||||
| Cryoprecipitate units/6hrs | 0.4 | 0.9 | 0 | 0 | 0 | |
| Received Cryoprecipitate/6hrs |
15% | |||||
| Coagulation Factors | ||||||
| Fibrinogen (mg/dL) | 215.4 | 78 | 199 | 158 | 265.5 | |
| Factor II (% activity) | 71.7 | 21 | 72 | 59.5 | 87 | |
| Factor V (% activity) | 64.8 | 25.6 | 68.5 | 42 | 87 | |
| Factor VIII (% activity) | 331.9 | 175.4 | 326.7 | 178.2 | 471.9 | |
| Factor X (% activity) | 93.7 | 32.5 | 91.5 | 73 | 113.5 | |
| Factor IX (% activity) | 125.1 | 52 | 123 | 93 | 152 | |
| Factor XI (% activity) | 102 | 49.1 | 105.5 | 67 | 132 | |
| Factor VII (% activity) | 75.7 | 24.8 | 71 | 55.5 | 94.5 |
Abbreviations: NISS (new injury severity score), AIS (Abbreviated Injury Scale), SBP (Systolic Blood Pressure), GCS (Glasgow Coma Scale), INR (International Normalized Ratio), aPTT (activated Partial Thromboplastin Time); RBC: red blood cells.