. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: J Trauma Acute Care Surg. 2013 Jan;74(1):59–67. doi: 10.1097/TA.0b013e3182788b34

Table 1.

Derivation of the dFAST variable

Variable		n (% total cohort)	% MT	OR MT
FAST or DPL reported (N=874 total)			26%^**	2.1 (1.5–2.9)
	FAST reported [rFAST]	838 (67%)	26%^*
	No FAST, but DPL Known [DPL]	36 (3%)	36%^*
No FAST/DPL but went to OR [ORFAST] (N=263 total)			28%^**	2.4 (1.2–4.9)
	No abdominal Operation	160 (13%)	28%
	Abdominal Operation	103 (8%)	28%
No FAST/DPL/OR but ED CT scan [CT]		63 (5%)	5%	N/A
Derived FAST [dFAST]	Total	1199 (96%)

rFAST vs. DPL - p=NS (Mann-Whitney)

^**

FASTorDPL reported vs. ORFAST - p=NS (Mann-Whitney)