Table S1.

Weighted multivariable logistic regression analysis stratified by outcomes and categorized by type of cardiac arrest (out-of-hospital cardiac arrest and cardiac arrest at the emergency department) and mechanism of cardiac arrest (traumatic and nontraumatic cause)

	Total study population			Presumed traumatic cause			Presumed nontraumatic cause
	mOR	95% CI		mOR	95% CI		mOR	95% CI
Model 1: Out-of-hospital cardiac arrest (n=370)
ROSC	0.53	0.20	1.41	0.01	0.00	0.12	2.42	0.94	6.22
Survival to hospital admission	1.53	0.53	4.40	0.36	0.40	3.19	3.86	1.22	12.22
Survival to hospital discharge	0.99	0.33	3.00	0.49	0.42	5.77	1.49	0.40	5.53
Favorable neurological outcomes	0.73	0.11	4.71	N/A	N/A	N/A	0.63	0.79	5.16
Model 2: Cardiac arrest at the emergency department (n=229)
ROSC	0.58	0.17	197	N/A	N/A	N/A	0.52	0.12	2.23
Survival to hospital admission	0.82	0.22	3.07	N/A	N/A	N/A	1.29	0.27	6.19
Survival to hospital discharge	3.66	0.39	34.22	N/A	N/A	N/A	5.15	0.58	45.53
Favorable neurological outcomes	22.68	0.86	600.12	N/A	N/A	N/A	22.12	1.19	409.84

CI: Confidence interval, mOR: Multivariable odds ratio, N/A: Not applicable, ROSC: Return of spontaneous circulation