Prediction of mortality in critically-ill elderly trauma patients: a single centre retrospective observational study and comparison of the performance of trauma scores

Table 1 Variable components of trauma scoring systems

Scoring system	Variable components of the scoring systems
GTOS	Age
	ISS
	Blood transfusion within 24 h
ISS	AIS score (1 - minor; 2 - moderate; 3 - serious; 4 - severe; 5 - critical; 6 - unsurvivable) given to 6 body regions (head, face, chest, abdomen, extremities and external)
TRISS	ISS
	SBP, respiratory rate, GCS
	Age (older or younger than 54)
	Blunt or penetrating mechanism
Ps17	ISS
	Age, Gender, GCS, Intubation
	Pre-existing medical conditions (Modified Charlson Index)

AIS abbreviated injury scale; GCS Glasgow coma scale; GTOS geriatric trauma outcome score; ISS injury severity score; PRBCs packed red blood cells; Ps17 Probability of survival score; TRISS trauma injury severity score; SBP systolic blood pressure

ISSN: 1757-7241