Low clot strength n = 17 | Normal or high clot strength n = 72 | p-value | |
---|---|---|---|
Age (years) | 43 (32-54) | 38 (34-43) | 0.38 |
Males | 10 (59%) | 49 (68%) | 0.47 |
Blunt trauma | 16 (94%) | 60 (83%) | 0.45 |
Type of trauma | 0.66 | ||
Thoracic | 1 | 14 | |
Abdominal | 1 | 6 | |
Extremities | 0 | 4 | |
Cerebral | 5 | 13 | |
Multi trauma | 8 | 29 | |
Other | 2 | 6 | |
Injury Severity Score | 27 (20-34) | 19 (17-22) | 0.006 |
Laboratory analyses | |||
Hemoglobin (g/dL) | 9.7 (8.5-10.7) | 11.9 (11.5-12.4) | <0.001 |
Platelet count (109/L) | 140 (112-168) | 214 (196-231) | <0.001 |
APTT (seconds) | 49 (37-66) | 29 (27-30) | <0.001 |
INR (arbitrary units) | 1.4 (1.3-1.5) | 1.2 (1.1-1.2) | <0.001 |
Glucose (mmol/L) | 10.3 (8.7-12.1) | 7.7 (7.2-8.3) | 0.001 |
Lactate (mmol/L) | 3.3 (2.4-4.6) | 2.5 (2.1-2.9) | 0.11 |
TEG | |||
R (minutes) | 6.3 (5.2-7.4) | 5.2 (4.9-5.5) | 0.01 |
Angle (degrees) | 47 (40-53) | 65 (63-67) | 0.001 |
MA (mm) | 39 (34-44) | 60 (59-61) | N/A |
Ly30 (%) | 0.8 (0.0-1.7) | 0.7 (0.5-0.9) | 0.58 |
Transfusions in units | |||
RBC | 6.4 (3.7-11.2) | 2.9 (2.2-3.8) | 0.02 |
FFP | 3.6 (1.9-6.6) | 2.0 (1.5-2.6) | 0.06 |
PC | 2.3 (1.5-3.6) | 1.5 (1.2-1.7) | 0.04 |
Length of stay (days) | 4.9 (2.7-8.7) | 12.3 (9.6-15.7) | 0.002 |