Demographics: patients with Parkinson's disease with and without visual hallucinations (mean(SD))
| Hallucinators (n=21) | Non-hallucinators (n=23) | |
| Sex: | ||
| Male | 7 | 9 |
| Female | 14 | 14 |
| Age (y) | 67.62 (6.52) | 63.23 (10.82) |
| Duration of illness (y)2-150 | 11.76 (5.42) | 8.30 (4.38) |
| Daily levodopa (mg) | 578 (163) | 670 (159) |
| Hoehn and Yahr46 2-150 | 3.47 (0.63) | 2.95 (0.57) |
| 2-151Beck depression inventory | 18.24 (4.5) | 16.60 (5.4) |
| 2-151MMSE | 26.7 (1.4) | 27.6 (1.1) |
| 2-151Recognition memory: | ||
| Words | 29.2 (5.5) | 31.5 (6.7) |
| Faces2-150 | 28.5 (4.6) | 32.2 (5.4) |