Variability in the timeliness of interventional radiology availability for angioembolization of hemodynamically unstable pelvic fractures: a prospective survey among U.S. level I trauma centers

Table 3 Interventional Radiology Arrival and Preparation Times with the Median Treatment Sequence for Angioembolization

	Median (IQR)	n^a/N^b	p
Time for interventional radiologists to arrive
0^c	1 (1, 3)	8/20	0.84
0–10 min	N/A	0/0
11–20 min	2 (2, 2)	0/1
21–30 min	1 (1, 2)	5/12
≥31 min	1.5 (1, 2)	1/4
Time for interventional radiology to prepare for intervention
0–30 min	1 (1, 2)	8/20	0.72
31–60 min	1 (1, 2)	5/13
61–120 min	2 (1, 3)	1/4

^a number of patients who chose to use angioembolization first, ^b total number of patients responding, ^c participants who indicated their interventional radiology department has on-site coverage 24-h a day

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