Table 1.

Descriptive characteristics of the cohort.

Variable	Mean, SD, range (or # and percent)
Age at death	87, 6.5, 66–106
Education	16.2, 3.6, 5–30
% Female	295, 63%
% White, non-Hispanic	446, 96%
Baseline MMSE	28.2, 1.8, 18–30
Proximate to death MMSE	27, 3.1, 0–30
Baseline global cognition	0.07, 0.45, -1.85 to 1.38
Proximate to death global cognition	-0.14, 0.55, –2.45 to 1.28
Amyloid	3.16, 3.93, 0–22.9
Tangles	3.72, 4.22, 0–35.2
Gross infarcts (1+ present)	133, 29%
Microinfarcts (1+ present)	117, 25%
Neocortical Lewy bodies (present)	29, 6%