Table 2

Performance of consensus clinical diagnostic criteria for DLB and of anosmia

Consensus DLB criteria2-150 Anosmia
All cases (n=92):
 Sensitivitycolo6453
 Specificity8984
 PPV5843
Definite AD(n=54)2-151
 Sensitivity3355
 Specificity8882
 PPV3838
Not definite AD (n=38)
 Sensitivity10050
 Specificity9087
 PPV7350
  • AD=Alzheimer's disease; DLB=dementia with Lewy bodies; PPV=positive predictive value (%); neuropathological criterion for DLB=LBs present in both SN and cingulate gyrus.

  • 2-150 At least two of visual hallucinations for at least 4 months, persistent brief fluctuations (item 272 of CAMDEX), and at least one feature of parkinsonism.

  • 2-151 CERAD criteria for definite AD.