Table 4.

Data for Injury Severity Score Groups: All Patients with Length of Stay ≥2 Days, by Level of Trauma Center Treatment

Trauma center	Charges, $				Estimated costs, $				Payments, $				Total margin, $
	Mean	25th %tile	Median	75th %tile	Mean	25th %tile	Median	75th %tile	Mean	25th %tile	Median	75th %tile	Mean	25th %tile	Median	75th %tile
Level I
ISS <9	41,830	19,600	29,550	57,340	12,210	5,880	9,320	15,350	8,240	0	5,550	10,930	(3,960)	(8,280)	(3,500)	670
ISS 9–15	63,120	23,170	40,040	72,450	18,230	7,230	12,440	22,850	14,510	0	7,360	16,990	(3,730)	(10,510)	(3,130)	3,250
ISS 16–24	90,450	36,270	63,520	114,790	25,680	8,820	18,180	37,420	23,130	0	11,760	30,230	(2,550)	(14,050)	(5,560)	7,080
ISS 25+	200,380	66,020	134,900	235,130	49,320	15,820	35,760	69,010	51,050	7,170	22,670	58,820	1,730	(23,980)	(6,440)	18,000
Level II
ISS <9	33,090	16,400	25,770	40,870	8,340	3,700	6,370	10,250	9,220	3,360	5,910	10,680	880	(3,110)	240	2,630
ISS 9–15	55,650	26,180	41,110	65,070	13,980	6,090	10,070	16,330	16,000	3,990	9,760	16,400	2,020	(5,860)	90	4,590
ISS 16–24	94,250	31,060	64,930	127,510	22,800	7,130	14,880	32,390	24,370	370	9,100	22,090	1,570	(12,550)	(720)	8,520
ISS 25+	131,850	42,990	96,910	189,590	32,740	10,040	23,360	46,780	33,400	720	12,380	36,760	660	(18,700)	(3,570)	12,030
Level III–IV
ISS <9	24,320	12,040	20,010	30,090	8,480	4,020	6,680	10,070	6,010	470	4,740	9,160	(2,480)	(5,330)	(860)	1,380
ISS 9–15	34,720	19,110	27,870	41,930	12,310	6,910	10,080	14,110	9,700	3,530	10,040	11,990	(2,610)	(6,720)	(1,180)	2,250
ISS 16–24	55,520	26,920	42,970	62,250	19,880	9,030	13,490	22,200	12,390	0	7,430	23,530	(7,480)	(13,490)	(5,010)	3,030
ISS 25+	88,840	20,490	42,920	107,080	32,250	7,860	17,300	31,710	15,820	1,500	9,890	16,200	(16,430)	(18,620)	(4,330)	700

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