| Clinical diagnosis |  | Comparison by diagnosis group | |
---|---|---|---|---|
 | ND | MCI | Total | (P value) |
(N = 31) | (N = 13) | (N = 44) |  | |
Age at death (years) | ||||
 Mean ± SD | 83.1 ± 6.1 | 86.2 ± 5.4 | 84.0 ± 6.0 | 0.13# |
 (Range) | (69–97) | (74–95) | (69–97) |  |
Sex | 19 M/12F (61.3% Male) | 8 M/5F (61.5% Male) | 27 M/17F (61.4% Male) | > 0.99‡ |
Postmortem Interval (hours) | ||||
 Mean ± SD | 2.7 ± 0.6 | 2.7 ± 0.5 | 2.7 ± 0.6 | 0.84# |
 (Range) | (1.5–4.8) | (1.8–3.5) | (1.5–4.8) |  |
MMSE | ||||
 Mean ± SD | 28.5 ± 1.3 | 27.4 ± 2.4 | 28.2 ± 1.7 | 0.34# |
 (Range) | (26–30) | (23–30) | (23–30) |  |
 No Score (N) | 8 | 4 | 12 |  |
Braak Stage | ||||
 I | 5 | 3 | 8 | 0.85§ |
 II | 7 | 3 | 10 | |
 III | 19 | 7 | 26 | |
NIA-Reagan AD Probability Level | ||||
 Not AD (0) | 9 | 4 | 13 | 0.87§ |
 Low (1) | 7 | 2 | 9 | |
 Intermediate (2) | 15 | 7 | 22 | |
 High (3) | 0 | 0 | 0 | |
Global CERAD Plaque Density | ||||
 None (0) | 9 | 4 | 13^ | 0.96§ |
 Sparse (1) | 7 | 3 | 10$ | |
 Moderate (2) | 8 | 4 | 12$ | |
 Frequent (3) | 7 | 2 | 9$ |