Table 1.
Demographics, Staging, and Clinical Data for Study Participants
| Variable | Controls N = 61 |
Mild AD N = 22 |
PDD N = 12 |
p value |
|---|---|---|---|---|
| Age mean | 66.46 | 74.09 | 71.00 | 0.002 |
| (SD) | (8.76) | (10.04) | (3.33) | |
| Sex (males / females) | 19 / 42 | 9 / 13 | 12 / 0 | 0.001 |
| Race (Caucasian / African-American) | 52 / 9 | 21 / 1 | 12 / 0 | 0.182 |
| Education mean | 15.21 | 14.52 | 16.08 | 0.218 |
| (SD) | (2.25) | (2.78) | (2.94) | |
| Dementia Rating Scale mean | 139.19 | 118.52 | 120.50 | 0.001 |
| (SD) | (2.88) | (11.20) | (13.32) | |
| MMSE mean | 29.49 | 24.77 | 25.83 | 0.001 |
| (SD) | (0.95) | (2.47) | (2.59) | |
| CDR* Staging (0 / 0.5 / 1 / 2) | 61 / 0 / 0 / 0 | 0 / 11 / 11 / 0 | 0 / 5 / 6 / 1 | 0.001 |
| Geriatric Depression Scale mean | 5.88 | 8.8 | 10.42 | 0.017 |
| (SD) | (5.30) | (6.45) | (4.36) | |
| Cholinesterase Inhibitor (yes/no) | ---- | 16 / 6 | 6 / 6 | 0.001 |
CDR = Clinical Dementia Rating Scale