Table 1.
Demographics | Overall | PT < 18 seconds | PT ≥ 18 seconds | ||||
---|---|---|---|---|---|---|---|
Vitals/Demographics | Mean | SD | Mean | SD | Mean | SD | *T test p value |
Age (years) | 38.4 | 16.7 | 39.1 | 17.1 | 34.8 | 14.3 | 0.36 |
Systolic BP (mmHg) | 128.4 | 27.4 | 131.6 | 26.7 | 111.2 | 25.5 | 0.007 |
Diastolic BP (mmHg) | 79.5 | 18.1 | 81.3 | 17.4 | 69.9 | 19.1 | 0.025 |
Resp Rate (bpm) | 19.4 | 7.7 | 19.1 | 7.9 | 21.3 | 6.2 | 0.32 |
Temp C° | 36.4 | 0.8 | 36.5 | 0.8 | 36.1 | 0.6 | 0.23 |
Oxygen Saturation (%) | 97.4 | 4.1 | 97.5 | 4.2 | 97.1 | 3.5 | 0.72 |
Pulse Rate (bpm) | 97.0 | 24.4 | 94.0 | 23.2 | 116.7 | 23.6 | <0.001 |
Injury Severity Score (ISS) | 20 | 13 | 17 | 11 | 32 | 13 | <0.001 |
Glasgow Coma Score (GCS) | 11 | 5 | 12 | 5 | 9 | 6 | 0.027 |
Shock Parameters | |||||||
Lactate (mmol/L) | 4.2 | 2.9 | 3.9 | 2.5 | 5.8 | 4.2 | 0.023 |
Base Deficit (mEq/L) | 2.7 | 4.7 | 1.9 | 4.0 | 7.2 | 5.8 | <0.001 |
Hematology | |||||||
Hemoglobin (g/dl) | 12.3 | 2.0 | 12.7 | 1.8 | 10.5 | 2.2 | <0.001 |
Hematocrit (%) | 37.3 | 6.4 | 38.4 | 5.7 | 31.3 | 7.0 | <0.001 |
Platelet Count (×10^9/L) | 237.3 | 74.0 | 241.9 | 74.7 | 213.0 | 66.7 | 0.17 |
Crystalloid Fluid Resuscitation (ml) | |||||||
Total Crystalloid Vol. at Sample Time | 1386.2 | 1166.6 | 1275.9 | 1122.7 | 2030.8 | 1254.6 | 0.03 |
Total Crystalloid Vol. at 8 hours | 2051.0 | 2436.3 | 1699.5 | 1763.4 | 3781.2 | 4167.0 | 0.004 |
Blood Products (ml) | |||||||
Total Blood Products at 8 hours | 551.3 | 1617.4 | 255.1 | 677.0 | 2131.0 | 3435.6 | <0.001 |
Packed Red Blood Cells | 459.1 | 1067.8 | 245.7 | 528.2 | 1526.2 | 2085.2 | <0.001 |
Fresh Frozen Plasma | 161.3 | 525.1 | 64.6 | 236.3 | 645.0 | 1080.6 | <0.001 |
Pooled Platelets | 20.5 | 76.2 | 0.0 | 0.0 | 123.1 | 153.6 | <0.001 |
Apheresis Platelets | 10.3 | 90.6 | 0.0 | 0.0 | 61.5 | 221.9 | 0.024 |
Cryoprecipitate | 18.8 | 93.8 | 2.3 | 18.6 | 101.5 | 213.9 | <0.001 |
T test comparing PT<18 sec group vs. PT≥18 sec group.