Table 10.

Mortality of matched civilian patients transported by helicopter with prehospital blood available

	Life flight service	Other air service	p-value
	PHTX available	PHTX not available
Number of patients	716	169
Scene hypotension	14%	15%	0.855
Injury severity score	22	22	0.998
Prehospital transfusion	137 (19%)	0 (0%)	< 0.0001
30-day mortality	22%	21%	0.626
24-hour mortality	14%	13%	0.529
Massive transfusion	8%	12%	0.133

PHTX, Prehospital blood products transfusion.