Table 1.

Comorbidities and hospitalization characteristics by outcome.

	Mortality		Myocardial infarction		Cardiac arrest
	Survived N = 949,293	Died N = 12,972	No MI N = 956,055	MI N = 6,699	No CAR N = 959,386	CAR N = 3,368
Age* (y)	59.8	69.6	59.8	71.4	59.9	67.7
Female* (%)	50.4	39.0	50.4	35.1	50.3	35.8
Elixhauser†	2.7	3.9	2.7	4.1	2.7	3.9
HF* (%)	4.3	13.9	4.2	32.1	4.4	14.9
CAD* (%)	11.9	16.2	11.7	42.9	11.9	21.5
Prior MI* (%)	3.2	3.1	3.2	6.9	3.2†	2.6†
HTN* (%)	45.2	26.1	45.0	36.6	45.0	33.4
COPD* (%)	6.4	10.0	6.4	11.7	6.4	9.3
PVD* (%)	3.1	10.9	3.2	10.1	3.2	9.1
Diabetes* (%)	20.3	14.8	20.2	27.0	20.2‡	18.0‡
Renal failure* (%)	7.8	12.7	7.8	18.1	7.9	14.1
Adjusted costs* (%)	21,835.28	78,949.42	22,362.72	58,279.44	22,453.96	67,363.23
LOS* (days)	6.4	17.2	6.5	15.6	6.5	16.1

Elixhauser, Elixhauser Comorbidity Index; MI, myocardial infarction; CAR, cardiac arrest; HF, heart failure; COPD, chronic obstructive pulmonary disease; PVD, peripheral vascular disease.

^*All other univariate P values are less < .001.

^†P = .4

^‡P = .16