Table 3.

Data for Injury Severity Score Groups: All Patients with Length of Stay ≥2 Days

ISS and LOS	Charges, $	Total estimated cost, $	Payments, $	Margin, $	Level of TC	ISS	LOS, d	ICU days	Ventilator days	Age, y	Male, %	Mortality, %
ISS <9, LOS 2+ d, “minor trauma” (n = 2,463)
Mean	30,056	8,827	7,646	(1,181)	2.37	4.06	4.79	0.58	0.19	58.29	46.1	1.0
SD	25,968	8,165	11,575	10,483	0.72	1.52	3.61	1.68	1.22	22.17
Median	23,375	6,787	5,323	(550)
ISS 9+, LOS 2+, “major trauma” (n = 2,978)
Mean	70,942	19,404	18,467	(937)	1.99	14.47	8.44	3.56	1.98	52.92	60.2	2.8
SD	99,037	23,325	35,082	27,790	0.77	7.95	9.52	6.92	6.27	21.87
Median	41,683	11,961	10,000	(1,230)
ISS 9–15, LOS 2+ (n = 2,031)
Mean	49,829	14,340	13,398	(942)	2.14	10.18	6.43	1.74	0.66	55.6	55.1	1.4
SD	23,963	18,395	15,516	22	0.77	1.75	6.06	3.82	2.74	21.8
Median	34,357	10,390	9,588	(817)
ISS 16–24, LOS 2+ (n = 593)
Mean	87,649	23,615	22,299	(1,316)	1.72	18.80	10.11	4.80	2.48	47.34	71.5	1.9
SD	83,502	21,883	36,987	30,253	0.69	2.38	8.07	5.95	4.77	20.53
Median	57,937	15,698	9,339	(3,319)
ISS 25+, LOS 2+ (n = 354)
Mean	164,092	41,407	41,132	(275)	1.56	31.82	17.12	9.81	7.54	47.11	70.3%	11.9
SD	203,284	41,621	63,885	54,967	0.65	8.19	18.43	12.67	13.36	21.76
Median	106,468	29,792	15,896	(4,893)

ISS, Injury Severity Score; LOS, length of stay; TC, trauma center.