Table 1.

Differences between IWG and NIA-AA criteria for AD.

Stages		Cognitive criteria		Biomarker criteria
IWG	NIA-AA	IWG	NIA-AA	IWG	NIA-AA
Prodromal AD	MCI due to AD	Memory impairment	MCI	Any amyloid or injury marker	Likelihood: High: amyloid and injury marker both + Intermediate: one marker +, unknown the other Uninformative: one marker +, - the other
AD dementia	Dementia due to AD	Memory impairment	Dementia	Any amyloid or injury marker