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Prevalence of delusions and hallucinations in patients with dementia, Alzheimer’s disease, Parkinson’s disease, dementia with Lewy bodies
| Disease | Overall Psychosis Prevalence | Hallucinations | Delusions |
|---|---|---|---|
| Alzheimer’s Disease (31–38) | 30% | 11–17% | 10–39% |
| Vascular Dementia (32, 35, 37, 39) | 15% | 5–14% | 14–27% |
| Dementia with Lewy Body (35, 40, 43) | 75% | 55–78% | 40–57% |
| Parkinson–s Disease Dementia (35, 38, 40) | 50% | 32–63% | 28–50% |
| Frontotemporal Dementia (44, 45) | 10% | 1.2–13% | 2.3–6% |
