ΔPTA	mean change in pure-tone average
AC	air conduction
ACE2	angiotensin-converting enzyme 2
AUC	area under the receiver operating characteristic curve
BC	bone conduction
CI	confidence interval
CMV	cytomegalovirus
COVID-19	coronavirus disease 19
CRR	case rate ratio
dB	decibel
e. g.	exempli gratia (for example)
HIV	human immunodeficiency virus
HL	hearing loss
Hz	Hertz
ICD-10	International Classification of Diseases, Tenth Revision
IQR	interquartile range
MRI	magnetic resonance imaging
OR	odds ratio
PCR	polymerase chain reaction
PTA	pure-tone average
RSV	respiratory syncytial virus
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
SSNHL	sudden sensorineural hearing loss
UKC MB	University Clinical Center Maribor
WHO	World Health Organization