Table 1.

Characteristics of level I trauma centers

	All	Academic	Non-academic	P
Profit status, total responses	n = 41	n = 35	n = 6	0.02
Non-profit	33 (80%)	30 (86%)	3 (50%)
For-profit	2 (5%)	0 (0%)	2 (33%)
Government	6 (15%)	5 (14%)	1 (17%)
Part of a hospital system, total responses	n = 42	n = 36	n = 6	0.57
n (%)	35 (83%)	29 (81%)	6 (100%)
Total licensed beds, total responses	n = 40	n = 34	n = 6	0.21
Median (IQR), range	509 (400–710), 249–1000	545 (400–719), 249–1000	440 (330–600), 250–800
Approximate adult trauma admissions in the past 12 months, total responses	n = 40	n = 34	n = 6	0.95
Median (IQR), range	2300 (1500–3050), 1200–4800	2190 (1460–3200), 1200–4800	2450 (1500–3000), 1500–3100
Full-time trauma surgeons per year (contract/employment), total responses	n = 41	n = 35	n = 6	0.02
Median (IQR), range	8 (6–9), 3–16	8 (6–10), 3–16	6 (5–6), 3–8
General surgery residents per year (PGY1-PGY5), total responses	n = 39	n = 33	n = 6	< 0.01
Median (IQR), range	30 (20–35), 0–60	30 (25–35), 10–60	7 (6–15), 0–16
Years of ACS level I verification, total responses	n = 42	n = 36	n = 6	0.59
Median (IQR), range	20 (7–28), 1–36	20 (8–27), 1–36	14 (4–28), 3–30
State level I verification, total responses	n = 42	n = 36	n = 6	1.00
n (%)	37 (88%)	31 (86%)	6 (100%)
Percentage of patients transferred in, total responses	n = 40	n = 34	n = 6	0.18
Median (IQR), range	33 (20–43), 0–70	31 (20–41), 0–68	40 (35–52), 15–70

Bolding of P values indicates statistical significance at a threshold of P ≤ 0.05

IQR interquartile range, PGY postgraduate year, ACS American College of Surgeons