Association of changes in the use of board-certified critical care intensivists with mortality outcomes for trauma patients at a well-established level I urban trauma center

Table 3 For subgroups of patients defined by injury severity score and age, number of deaths, death rates and adjusted odds ratios and 95% confidence intervals (CI) for death by period

	Deaths Number	Patients Number	% Died	Adjusted Odds Ratio	(95% CI)	P Value
Injury Severity Score 16-24
Pre-intensivist period	30	1,000	3.0	1.00*	(referent)
Partial intensivist
period	5	718	0.7	0.20	(0.07-0.58)	.001
Full-time intensivist
period	4	313	1.3	0.30	(0.11-0.88)	.03
All periods	39	2031	1.9	----	----
Injury Severity Score 25-34
Pre-intensivist period	78	434	18.0	1.00*	(referent)
Partial intensivist
period	55	335	16.4	0.85	(0.58-1.26)	.42
Full-time intensivist
period	29	136	21.3	1.13	(0.70-1.86)	.60
All periods	162	905	17.9	----	----
Injury Severity Score 35-75
Pre-intensivist period	64	195	32.8	1.00*	(referent)
Partial intensivist
period	52	146	35.6	1.12	(0.71-1.76)	.62
Full-time intensivist
period	16	54	29.6	0.87	(0.45-1.68)	.68
All periods	132	395	33.4	----	----
Age 65+ Years
Pre-intensivist period	62	1108	5.6	1.00	(referent)
Partial intensivist
period	33	712	4.6	0.51	(0.31-0.84)	.009
Full-time intensivist
period	14	308	4.6	0.61	(0.32-1.16)	.13
All periods	109	2128	5.1	----	----

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