Table 1. Baseline characteristics of patients with EDCA and IPCA.

EDCA - emergency department cardiac arrest; IPCA - inpatient cardiac arrest

Variables, n (%)	EDCA (n=13,239)	IPCA (n=2,109)	p-value
Primary payer
Medicare	392 (2.9%)	79 (3.8%)	<0.001
Medicaid	7,608 (57.5%)	1,253 (59.4%)	<0.001
Private insurance	3,270 (24.7%)	699 (33.1%)	<0.001
Self-pay	1,969 (14.9%)	78 (3.7%)	<0.001
Hospital characteristics
Teaching hospital	7,933 (59.9%)	2,053 (97.4%)	<0.001
Urban location	11,969 (90.4%)	1,907 (90.5%)	0.986
Pre-existing conditions
Asthma	324 (2.5%)	215 (10.2%)	<0.001
Congenital heart disease	289 (2.18%)	293 (13.9%)	<0.001
Diabetes mellitus	57 (0.4%)	30 (1.4%)	0.077
Epilepsy	192 (1.5%)	138 (6.5%)	<0.001
Hyperlipidemia	10 (0.06%)	18 (0.8%)	0.049
Hypertension	58 (0.4%)	231 (11%)	<0.001
Malignancy	23 (0.17%)	56 (2.7%)	0.002
Obesity	11 (0.06%)	19 (0.9%)	0.043
Renal failure	32 (0.24%)	34 (1.6%)	0.032
Sickle cell disease	49 (0.37%)	20 (0.9%)	0.207