Below is the diagnostic criteria by McKeith 1996.
This diagnostic criteria set has a wide range of sensitivity and specificity, ranging from 18-83% and 71-95% respectively.
These criteria set has been revised in 2003 with addition of “suggestive features”, as shown below
These has improved the sensitivity by 25%. Please read Dementia with Lewy Bodies (DLB) for more information on differentiating DLB with parkinson’s disease and alzheimer’s disease clinically.
1. McKeith IG, Galasko D, Kosaka K et al., Consensus guidelines for the clinical and pathologic diagnosis of dementia with Lewy bodies (DLB): report of the consortium on DLB international workshop. Neurology 1996;47:1113–1124.
2. Elizabeth Finger, Kirk R. Daffner. Cognitive and Behavioral Neurology. In: Burneo, Jorge G; Demaerschalk, Bart M.; Jenkins, Mary E. eds. Neurology: an evidence-based approach. New York, NY: Springer; 2012:161-174