Table 1.

Socio-demographical and medical variables

•Age
•Gender
▪Co morbidities
	▪Chronic heart failure (NYHA 3 or worse)
	▪Previous acute myocardial infarction
	▪Ischemic heart disease
	▪Previous cardiac arrhythmia
	▪Arterial hypertension
	▪Previous neurological disease
	▪Diabetes mellitus
	▪Asthma or chronic obstructive pulmonary disease
•Pre-hospital variables (only CA patients)
	▪Location of cardiac arrest
	▪Bystander witnessed arrest
	▪Bystander cardiopulmonary resuscitation (CPR)
	▪First monitored rhythm at arrival of emergency medical service
	▪Use of active compression-decompression device
	▪Time from cardiac arrest to start of basic life support
	▪Time from arrest to start of advanced life support
	▪Time from arrest to return of spontaneous circulation
	▪Cardiac interventions
	▪Percutaneous coronary intervention
	▪Coronary bypass grafting
	▪Valvular surgery
	▪Implantable cardioverter-defibrillator
	▪Pacemaker
•Hospital length-of-stay
•Pre-arrest Cerebral Performance Category (CPC)
•Level of education (≥12 years/<12 years)
•Medications at the time of the arrest (MI)
•Medications at the time of the follow-up
•Disabilities that could affect the test performance
	▪Hearing
	▪Speech
	▪Dyslexia
	▪Vision
	▪Paresis
•Time from CA/MI to follow-up
•Employment status (pre-arrest/follow-up)
•Place of stay at the time of follow-up