Characteristic | Mean (SD) | ||
---|---|---|---|
AD Patients | Control Subjects | P Value | |
Age | 69.3 (10.9) | 68.9 (8.0) | .91 |
MMSE score* | 18.8† (4.5) | 27.9† (1.9) | <.0001 |
HS width‡ (mm), observer 1 | 2.9 (1.0) | 1.4 (0.6) | <.0001 |
HS width‡ (mm), observer 2 | 2.8 (1.1) | 1.4 (0.7) | <.0001 |
HS width‡ (mm), interobserver average | 2.8 (0.9) | 1.4 (0.6) | <.0001 |
Number of HC, observer 1 | 2.6 (3.2) | 3.6 (2.8) | .32 |
Number of HC, observer 2 | 1.9 (2.4) | 3.6 (2.9) | .06 |
Number of HC, interobserver average | 2.2 (2.7) | 3.6 (2.8) | .15 |
Mean size of HC (mm), observer 1 | 1.7 (1.0) | 2.0 (1.1) | .29 |
Mean size of HC (mm), observer 2 | 1.3 (1.1) | 2.0 (0.8) | .06 |
Mean size of HC (mm), interobserver average | 1.5 (0.9) | 2.0 (0.9) | .10 |
MTA score‡§, observer 1 | 2.2† (1.0) | 1.1† (0.7) | <.01 |
MTA score‡§, observer 2 | 1.7† (1.1) | 0.6† (0.7) | <.01 |
MTA score‡§, interobserver average | 2.0† (1.1) | 0.8† (0.6) | <.01 |
Note:—
* Lower values indicate greater severity.
† Please note that means of scores are presented, whereas we used the Mann-Whitney U test to compare differences between groups.
‡ Values are left/right averages.
§ Higher values indicate greater severity.