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Table 3 Standard laboratory parameters on arrival at the emergency room

From: FIBTEM provides early prediction of massive transfusion in trauma

  non-MT group
(<10 RBC units/24 hours)
MT group
(≥10 RBC units/24 hours)
 
  n = 245 n = 78 P -value
Hemoglobin
(normal range: 13.5 to 17 g/dL)
12.1 (10.7 to 13.4) 8.4 (6.9 to 10) <0.0001
Platelet count
(normal range: 150 to 350 × 103/μl)
188 (158 to 234) 150 (123 to 185) <0.0001
Quick value (normal range: 70 to 120%) 75 (65 to 88) 47 (36 to 60) <0.0001
aPTT (normal range: 26 to 35 s) 28 (26 to 32) 45 (36 to 60) <0.0001
Fibrinogen
(normal range: 200 to 450 mg/dL)
182 (134 to 236) 95 (61.5 to 121) <0.0001
Lactate
(normal range: 0.5 to 2.2 mmol/L)
2.2 (1.3 to 3.3) 4.4 (2.6 to 6.0) <0.0001
pH (normal range: 7.35 to 7.45) 7.33 (7.29 to 7.38) 7.23 (7.19 to 7.3) <0.0001
Base deficit
(normal range: -3.0 to 3.0 mmol/L)
3.9 (2.2 to 5.8) 7.6 (5.8 to 10.6) <0.0001
  1. Data are presented as median and interquartile range or as mean ± standard deviation. Groups were compared using the Kruskal-Wallis test. aPTT, activated partial thromboplastin time; MT, massive transfusion; n, number of patients; non-MT, non-massive transfusion; RBC, red blood cell concentrate.