Table 2.

The main characteristics of both examined groups

	Study group (n = 40)	Control group (n = 38)	p value
Demographic Age [med (Q1–Q3)] Sex—male/female [number (%)]	37.5 (27.5–50) 28 (70%)/12 (30%)	38 (28–57) 27 (71%)/11 (29%)	0.96 0.91
Severity of the injury ISS [med (Q1–Q3)] RTS [med (Q1–Q3)] APACHE II [med (Q1–Q3)] GCS [med (Q1–Q3)] TBI [%] SAP on admission to ED [med (Q1–Q3)] SI [med/Q1–Q3]	41 (34–43) 7 (4.4–7.8) 17 (11–22) 12 (5–15) 9 (22.5%) 90 (80–112.5) 1.1 (0.9–1.4)	34 (34–41) 4.5 (2.8–7.8) 15.5 (11–24) 5.5 (3–13) 18 (47.4%) 99.5 (80–110) 1.0 (0.8–1.5)	0.73 0.17 0.47 0.04 0.02 0.99 0.36
Estimated risk of massive transfusion TASH score [med (Q1-Q3)]	11 (8–17)	12 (6.5–18.5)	0.81
Laboratory data on ED admission Hb g/dl [med (Q1–Q3)] Plt thous/mm3 [med (Q1–Q3)] aPTT s [med (Q1–Q3)] INR [med (Q1–Q3)] INR > 1.5 and/or aPTT > 1.5 times [number (%)]	11 (9.5–12.85) 248.5 (173–299.5) 26.2 (22.9–29) 1.2 (1.1–1.3) 8 (20%)	10.7 (8.9–11.8) 222 (141–269) 31 (27.8–36.8) 1.3 (1.2–1.6) 10 (27%)	0.26 0.45 0.0004 0.02 0.3
Tissue perfusion parameters on OR admission BE [med (Q1–Q3)] Lac mmol/l [med (Q1–Q3)] pH [med (Q1–Q3)]	− 4.4 (− 8 to − 1.8) 3.4 (2.1–4.7) 7.28 (7.18–7.32)	− 4.8 (− 6.85 to − 2.7) 3.6 (2.7–4.85) 7.29 (7.24–7.33)	0.93 0.27 0.38

ISS Injury Severity Score, RTS Revised Trauma Score, APACHE II Acute Physiology and Chronic Health Evaluation II, GCS Glasgow Coma Scale, TBI Trauma Brain Injury, SAP Systolic Arterial Pressure, SI Shock Index, TASH Trauma Associate Severe Hemorrhage, Hb hemoglobin, Plt platelets, aPTT activated partial thromboplastin time, INR International Normalized Ratio, BE base excess, Lac lactates