Table 3.

Sensitivity, specificity, positive predictive value, and negative predictive value of various clinical features for distinguishing patients with pure dementia with Lewy bodies (DLB) from patients without pure DLB (non-DLB dementias and DLB–Alzheimer’s disease)

Clinical featuresPure DLB, n = 9Other dementia, n = 85Sensitivity, %Specificity, %Positive predictive value, %Negative predictive value, %p Value
CDLB = Consortium on DLB.
Major CDLB criteria
Any 1 criterion863892611960.4
Any 2 criteria716788130970.0006
All 3 criteria42449867940.0005
Major criteria
Extrapyramidal signs851894014970.1
Fluctuations622677421950.02
Visual hallucinations510568833950.004
Minor criteria
Delusions37339230930.05
Falls11111878901
Neuroleptic sensitivity67679246960.0001
Major or minor CDLB criteria
Any 1 criterion866892211950.7
Any 2 criteria821897528980.0002
Any 3 criteria69678940960.0003