Table 1.

Epidemiological data are presented covering 2108 patients, who were treated in the ER after only CPR in the ER (n = 1197) and after prehospital and additional CPR in the ER (n = 911)

	Control group	CPR in the ER
	n = 36391	n = 2108
Age (years)	48.1 ± 20.1	49.0 ± 21.0
ISS	27.9 ± 11.0	42.0 ± 18.1
Male/female	27.1 %/72.9 %	29.9 %/70.1 %
Trauma cause
Car	27.4 %	29.2 %
Motorcycle	14,0 %	13.8 %
Bicycle	8.4 %	7.1 %
Pedestrian	7.8 %	13,0 %
High fall (≥3 m)	19.1 %	19.7 %
Low fall	14.5 %	4.7 %
Others	8.9 %	12.6 %
Traffic accident	41.5 %	35.2 %
Blunt trauma	95.7 %	92.1 %
Penetrating trauma	4.3 %	7.9 %
AIS head ≥3	56.8 %	58.6 %
AIS thorax ≥3	56.2 %	73.6 %
AIS abdomen ≥3	18.4 %	31.8 %
AIS extremities ≥3	33.9 %	46.5 %
Preclinical volume (ml)	1107 ± 864	1601 ± 1155
Time from accident to hospital admission (min)	68.4 ± 29.3	64.0 ± 27.2
Preclinical resuscitation	2.6 %	56.8 %
Preclinical GCS ≤8	31.9 %	70.6 %
Preclinical shock (BP ≤90mmHG)	17.0 %	59.9 %
Preclinical intubation	49.6 %	84.8 %
Preclinical transfusion of catecholamines	9.1 %	53.3 %
Preclinical thoracic drainage	5.4 %	18.0 %
Mild hypotension on admission (BP ≤90mmHG)	13.4 %	63.6 %
Blood transfusion: number of packed red blood cell units	21.9 %	63.6 %
TASH score	6.2 ± 5.0	13.8 ± 6.0
Hemoglobin ER	12.1 ± 2.6	9.1 ± 3.6
Quick’s value ER	79.1 ± 22.9	50.7 ± 28.0
INR ER	1.28 ± 0.65	2.34 ± 2.02
Base excess ER	– 3.0 ± 4.5	– 12.3 ± 9.1
Coagulopathy	29.2 %	70.8 %

The “Control group” comprises 36,391 patients who were treated in the ER (including 35,477 patients without any CPR and 944 patients after prehospital CPR)

ER emergency room, CPR cardiopulmonary resuscitation, ISS Injury Severity Score, AIS Abbreviated Injury Severity Score, GCS Glasgow Coma Score, BP blood pressure, TASH Trauma-Associated Severe Haemorrhage, INR international normalised ratio