Table 2.

Trial outcomes.

Primary clinical outcome	Survival to 30 days post cardiac arrest.
Secondary clinical outcomes	Survived event (sustained return of spontaneous circulation (ROSC), with spontaneous circulation until admission and transfer of care to medical staff at the receiving hospital) Survival to and neurological outcomes at hospital discharge (the point at which the patient is discharged from the hospital acute care unit regardless of neurological status, outcome or destination) Survival to and neurological outcome at 3,6 and 12 months (IQCODE and “Two simple questions”, Modified Rankin Scale (mRS)) Health related quality of life at 3 and 6 months (SF12 and EQ-5D) Cognitive outcome at 3 months (Mini Mental State Examination (MMSE)) Anxiety and depression at 3 months (Hospital Anxiety and Depression Scale (HADS)) Post Traumatic Stress at 3 months (PTSD civilian checklist (PCL-C)) Hospital length of stay Intensive care length of stay
Safety	Adverse events, Serious Adverse events,
Primary economic outcome	Incremental cost per quality-adjusted life year (QALY) gained from the perspective of the NHS and personal social services (PSS)
Secondary economic outcome	Cost of critical care stay (level 2/3 days) Cost of hospital stay Utilisation of NHS and PSS resources after discharge Broader resource utilisation after discharge.