Table 2.
Results from preliminary testing using four subtests from the Arizona Battery for Communication Disorders of Dementia in participants with Parkinson's disease (PD) and participants with Alzheimer's disease (AD).
| Subtest | Group | Raw score (SD) | Classification |
|---|---|---|---|
| Story Retelling—Immediate (17 points possible) | PD | 13.38 (2.2) | Nondemented PD |
| AD | 7.22 (4.2) | Mild AD | |
| Comparative Questions (6 points possible) | PD | 5.75 (0.5) | Nondemented PD |
| AD | 5.22 (1.1) | Mild AD | |
| Repetition (75 points possible) | PD | 67.13 (21.6) | Nondemented PD |
| AD | 56.29 (14.5) | Mild AD | |
| Generative Naming Semantic Category (number in 1 min) | PD | 10.50 (7.7) | Nondemented PD |
| AD | 7.44 (3.9) | Mild AD |