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. Author manuscript; available in PMC: 2014 Apr 4.
Published in final edited form as: J Alzheimers Dis. 2012;29(2):309–318. doi: 10.3233/JAD-2011-110518

Table 1. Donor sample by cognitive group, all non-demented.

Non impaired
(MMSE 27–30)		 Mildly impaired
(MMSE 23–26)		 Moderately impaired
(MMSE 18–22)
Total Number (n) 53 62 36
% Female 39.6 50 61.1
Mean MMSE (SD)* 28.7 (1.0) 24.7 (1.2) 20.1 (1.6)
Mean Age at Death (SD)* 81.5 (7.4) 83.1 (7.9) 85.7 (7.6)
Mean Education (SD) 9.8 (1.7) 9.5 (1.4) 9.8 (1.9)
Mean Interval (yrs)* 1.3 (0.6) 1.1 (0.7) 0.9 (0.6)
APOE (% ε4+) 29.7 (11) 23.9 (11) 16.7 (5)
Median Braak (q1, q3) 2 (1, 3) 2 (2, 3) 2 (2, 3)
% Stroke (n) 18.9 (10) 22.6 (14) 36.1 (13)
% Angina (n) 22.6 (12) 27.4 (17) 36.1 (13)
% Diabetes (n) 13.5 (7) 12.9 (8) 11.1 (4)
% Heart Attack (n) 22.6 (12) 32.3 (20) 36.1 (13)
% Hypertension (n) 41.5 (22) 45.2 (28) 50 (18)

MMSE=Mini mental state examination; q1 = 25th Percentile; q3 = 75th Percentile; SD = standard deviation;

*

Significant group differences.