Table 2.

Unadjusted outcomes stratified by arrest etiology

Outcome	VF-CA (n=254)	A-CA (n=286)	p-value
Good Neurologic Outcome	102 (44)	46 (18)	<0.0001
Hospital Survival	146 (58)	100 (35)	<0.0001
Post-ROSC Neurologic Injury			<0.0001
PCAC I	94 (37)	41 (14)
PCAC II/III	68 (27)	57 (20)
PCAC IV	62 (24)	138 (48)
Not typable	30 (12)	50 (17)
Post-ROSC Cardiac Injury
LVEF evaluated	206 (81)	157 (55)	<0.0001
LVEF (median [IQR]), %	20 [35 – 55]	55 [45 – 60]	<0.0001
Troponin I evaluated	245 (96)	269 (94)	ns
Peak troponin I (ng/ml; median/IQR)	7.8 [0.8 – 57]	0.3 [0.0 – 1.5]	<0.0001

Abbreviations: VF-CA, cardiac etiology cardiac arrest; A-CA, asphyxial etiology cardiac arrest; ROSC, return of spontaneous circulation; PCAC, Pittsburgh Cardiac Arrest Category; LVEF, left ventricular ejection fraction