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Table 2 Patients stratified according to clot strength

From: Reduced clot strength upon admission, evaluated by thrombelastography (TEG), in trauma patients is independently associated with increased 30-day mortality

  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
  1. Data of patients with low clot strength (maximal amplitude < 50 mm) compared to patients with normal or high clot strength (maximal amplitude ≥ 50 mm). Frequencies are stated as count with percentage in parenthesis. Age, laboratory and thrombelastographic (TEG) analyses, blood product transfusions, Injury Severity Score and length of stay are stated as means with 95% Confidence Intervals. Activated partial thromboplastin time (APTT), international normalized ratio (INR), packed red blood cells (RBC), fresh frozen plasma (FFP), platelet concentrates (PC).