ALP	alkaline phosphatase
AUC	relative area under the curve
CI	confidence interval
CJD	Creutzfeldt–Jakob disease
CLEA	chemiluminescent enzyme immunoassay
CNS	central nervous system
CSF	cerebrospinal fluid
CV	coefficient of variation
Diff	difference
DNA	deoxyribonucleic acid
EEG	electroencephalogram
ELISA	enzyme-linked immunosorbent assay
FFI	fatal familial insomnia
gCJD	genetic CJD
HPD	human prion disease
NPV	negative predictive value
PBS	phosphate-buffered saline
PCR	polymerase chain reaction
PPV	positive predictive value
prion PrP	protein
PrPC	cellular prion protein
PrPSc	scrapie prion protein
Rcf	relative centrifugal force rel.
Ref	reference
Rfu	relative fluorescence units
ROC	receiver operating characteristic
Rpm	revolutions per minute
RT-QuIC	real-time quaking-induced conversion
sCJD	sporadic CJD
SD	standard deviation
SEM	Standard error of the mean