Table 1.
Demographics and clinical symptoms in patients with AD and DLB
| AD (n = 200) | DLB (n = 200) | Statistics | |
|---|---|---|---|
| Age, years | 82.7±7.5 | 81.9±6.4 | F= 1.06, p = 0.30 |
| Sex, f/m | 122/78 | 118/82 | χ2 = 0.09, p = 0.76 |
| MMSE score | 10.2±5.2 | 10.1±5.8 | F = 0.04, p = 0.83 |
| Parkinsonism | 8 (4%) | 164 (82%)** | χ2 = 245.1, p < 0.001 |
| Visual hallucinations | 0 (0%) | 173 (86.5%)* | χ2 = 301.3, p < 0.001 |
| Visual illusions | 1 (0.5%) | 33 (16.5%)* | χ2 = 30.9, p < 0.001 |
| Auditory hallucinations | 16 (8%) | 35 (17.5%) | χ2 = 7.28, p = 0.007 |
| Misidentification of person | 23 (11.5%) | 50 (25%)* | χ2 = 11.3, p < 0.001 |
| Persecutory delusions | 110 (55%) | 131 (65.5%) | χ2 = 4.18, p = 0.041 |
| Sleep talking | 2 (1%) | 53 (26.5%)* | χ2 = 52.7, p < 0.001 |
| Depression | 29 (14.5%) | 38 (19%) | χ2 = 1.15, p = 0.28 |
| TV sign | 3 (1.5%) | 8 (4%) | χ2 = 1.50, p = 0.22 |
| Mirror sign | 6 (3%) | 9 (4.5%) | χ2 = 0.28, p = 0.60 |
Age and MMSE score are shown as mean ± standard deviations. AD, Alzheimer's disease; DLB, dementia with Lewy bodies; MMSE, Mini-Mental State Examination. Significant statistical difference between AD and DLB:
*
p < 0.0056,
**
p < 0.05.