ACNS	American Clinical Neurophysiology Society
BA	Background activity
BSP	Burst-suppression pattern
BSR	Brainstem reflex
CA	Cardiac arrest
CCI	Charlson comorbidity index
cEEG	Continuous electroencephalography
CI	Confidence interval
CPR	Cardiopulmonary Resuscitation
DGKN	German Society for Clinical Neurophysiology (Deutsche Gesellschaft für Klinische Neurophysiologie
ED	Epileptiform dischargers
EEG	Electroencephalography
HE	Hypoxic encephalopathy
HIS	Hospital information system
ICU	Intensive care unit
LV	Low voltage
MCRA	Multivariate Cox regression analysis
Med	Median
mRS	Modified rankin scale
n.a.	Not available
NCU	Neurocritical care units
NSE	Neuron-specific enolase
RECORD	REporting of studies Conducted using Observational Routinely-collected Data
rEEG	Repetitive electroencephalography
RPP	Rhythmic and periodic pattern
SARS-CoV-2	Severe acute respiratory syndrome coronavirus type 2
SD	Standard deviation
SE	Status epilepticus
SP	Seizure pattern
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
TTM	Therapeutic temperature management
UKGM	University Hospital Marburg