. Author manuscript; available in PMC: 2006 Mar 21.

Published in final edited form as: J Geriatr Psychiatry Neurol. 2005 Dec;18(4):218–223. doi: 10.1177/0891988705281869

Table 1.

Prospective Studies of Nondemented Elderly: Percent Meeting Neuropathological Criteria for Alzheimer's Disease (AD)

Study	Number of Nondemented Subjects	Percent Meeting AD Neuropathological Criteria
Crystal et al.¹⁴	9	67
Katzman et al.¹⁵	29	34
Neuropathology Group of the Medical Research Council Cognitive Function and Ageing Study¹⁶	109	19
Snowdon et al.¹⁷	19	31