. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Curr Alzheimer Res. 2012 Jul 1;9(6):724–733. doi: 10.2174/156720512801322591

Table 1b.

Demographic and Clinical Characteristics of Autopsied Participants.^* (n = 273)

Age at death, years (mean±SD)	86.3±7.6
Years of education (mean±SD)	16.0±2.5
Sex (M:F)	114:159
Family history of dementia (N)	77 (28.2%)
APOE E4 (positive/negative/not done)	74/190/9
Post mortem interval, hours (median; mean±SD)	2.9; 4.8±7.2
Time since last visit before autopsy, years (median; mean±SD)	0.7; 0.9±0.9
Normal diagnosis at baseline	273 (100%)

Note: See Figure 2 for autopsy diagnoses of these initially normal older adults.