Factors associated with outcomes.

The factors associated with survival and neurologic outcomes in the patients who achieved a sustained ROSC following ED resuscitation.CPC: cerebral performance categories; ICU: intensive care unit; VF: ventricular fibrillation; PEA: pulseless ventricular tachycardia; ROSC: return of spontaneous circulation; OHCA: out-of-hospital cardiac arrest; ED: emergency department.aThe number of patients with missing information.bVF includes patients with pulseless VT.