Cohort characteristics of patients with dementia with Lewy bodies (DLB), Alzheimer's disease (AD), or Parkinson's disease (PD), and controls
| Characteristic | DLB (n=27) | AD (n=17) | PD (n=19) | Controls (n=16) |
|---|---|---|---|---|
| FP-CIT, 2β-carbomethoxy-3β-(4-iodophenyl)-N-(3-fluoropropyl)nortropane; UPDRS, unified Parkinson's disease rating scale; H&Y stage, Hoehn and Yahr stage. | ||||
| Sex ratio | ||||
| M:F | 10:17 | 9:8 | 15:4 | 10:6 |
| Age at time of FP-CIT | ||||
| Mean (SD) | 77.3 (7.9) | 78.0 (7.2) | 64.9 (9.1) | 66.6 (10.8) |
| Median | 77 | 77 | 62 | 70 |
| Age at onset of dementia | ||||
| Mean (SD) | 73.1 (8.0) | 73.1 (6.8) | ||
| Median | 73 | 73 | ||
| Systolic pressure | ||||
| Mean (SD) | 138.4 (28.6) | 140.1 (24.4) | 149.6 (23.9) | |
| Median | 135 | 140 | 143 | |
| Years of education | ||||
| Mean (SD) | 9.7 (1.9) | 9.3 (1.5) | 10.6 (2.7) | 11.9 (3.4) |
| Median | 9 | 9 | 10 | 11 |
| H&Y staging | ||||
| Mean (SD) | 2.2 (1.2) | 0.3 (0.8) | 1.7 (0.6) | 0.1 (0.2) |
| Median | 2 | 0 | 1.5 | 0 |
| UPDRS score | ||||
| Mean (SD) | 18.0 (11.2) | 3.1 (5.0) | 14.8 (4.9) | 2.2 (3.5) |
| Median | 18 | 1 | 16 | 1 |