Table IV. Sensitivity and specificity of positron emission tomography measures. AD, Alzheimer's disease; NINCDS, NINCDS (National Institutes of Neurological, Communicative Disorders and Stroke) probable AD (clinical); CERAD, CERAD (Consortium to Establish a Registiy for Alzheimer Disease) probable or definite AD (neuropathology); Other, other neuropathological criteria; DLB, dementia with Lewy bodies; CMRglu, cerebral metabolic rate of glucose; PTC, parietotemporal cortex.

	No. AD subjects	No. controls	Impression	Sensitivity	Specificity	Diagnostic criteria
Hoffman et al,15 2000	14	8 other	PTC hypometaholism	0.93	0.63	CERAD
Silwerman et al,2 2001	97	41 other	Cerebral hypo metabolism	0.94	0.73	Other