Table 7.

Results of multiple regression analysis showing factors independently associated with longer scene times in physician treated patients

Parameter	Mean additional scene time in minutes (95% CI)	P value
Pelvic compression device (compared to none)	11 (3–19)	0.008
Thoracic decompression (compared to none)	24 (11–36)	<0.001
GSA HEMS treatment (compared to HIRT HEMS)	13 (7–18)	<0.001
Entrapment when physician team present (compared to no entrapment when physician team present)	19 (14–23)	<0.001