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