Table 3.

Comparative diagnostic value of EEG and CSF analysis in cases of Creutzfeldt–Jakob disease (CJD) initially classified as “probable” or “possible” CJD

CharacteristicPSWC in EEG14-3-3 in CSFPSWC in EEG or 14-3-3 in CSF*PSWC in EEG and 14-3-3 in CSF
* Test positive: patients with either periodic sharp wave complexes (PSWC) in EEG or 14-3-3 in CSF. Test negative: patients without PSWC in EEG and without 14-3-3 in CSF.
† Test positive: only patients who had PSWC in EEG and 14-3-3 in CSF. Test negative: all other patients.
CJD144/219205/219213/219144/219
Not CJD11/437/4315/433/43
Sensitivity, %66949766
Specificity, %74846593
Positive predictive value, %93979398
Negative predictive value, %30727935