Table 1.

Hospital and ICU characteristics

Variables	Levels	n/Median	%/IQR
Hospital size	<250 beds	2	4.08%
	250–499 beds	16	32.65%
	500–749 beds	18	36.73%
	750–999 beds	7	14.29%
	≥1000 beds	6	12.24%
State trauma center designation	Level 1	45	91.84%
	Level 2	4	8.16%
American College of Surgeons verified	No	10	20.41%
	Yes	39	79.59%
Urban		48	97.95%
Rural		1	2.04%
University		29	59.1%
Non-university		20	40.8%
Geographic location	Northeast	10	20.4%
	Southeast	9	18.3%
	Midwest	8	16.3%
	Southwest	9	18.3%
	West	13	26.5%
Adult ICU beds, n		70	(53–102)
Pediatric ICU beds, n		30	(0–73)
Total ICU beds, n		105	(64–181)
Number of trauma patients evaluated as a formal ‘trauma activation’ per year	<1000	5	10.20%
	1000–1999	15	30.61%
	2000–2999	13	26.53%
	3000–3999	5	10.20%
	≥4000	11	22.45%

ICU, intensive care unit.