TABLE 2. Comparison of Clinical Signs and Symptoms in Subjects With and Without Visual Hallucinations.
| VH-Negative (n = 121) | VH-Positive (n = 27) | ||
|---|---|---|---|
| Individual Symptoms | n (%) | n (%) | p |
| Parkinsonism: | |||
| Asymmetrical tremor | 11 (9.1%) | 6 (22.0%) | 0.09 |
| Rigidity | 11 (9.1%) | 6 (22.0%) | 0.09 |
| Bradykinesia | 16 (13.2%) | 4 (14.8%) | 0.76 |
| Postural or gait disturbance | 24 (19.8%) | 11 (40.7%) | 0.04 |
| Masked facies | 8 (6.6%) | 4 (14.8%) | 0.23 |
| Shuffling gait | 13 (10.7%) | 6 (22.2%) | 0.12 |
| Multiple falls | 25 (20.7%) | 10 (37.0%) | 0.08 |
| Neuropsychiatric: | |||
| Delusions | 48 (39.7%) | 19 (70.4%) | 0.005 |
| Agitation or aggression | 68 (56.2%) | 22 (81.5%) | 0.02 |
| Depression or dysphoria | 73 (60.3%) | 19 (70.4%) | 0.39 |
| Anxiety | 71 (58.7%) | 19 (70.4%) | 0.29 |
| Elation or euphoria | 0 (0.0%) | 0 (0.0%) | - |
| Apathy or indifference | 70 (57.9%) | 23 (85.2%) | 0.008 |
| Disinhibition | 14 (11.6%) | 6 (22.2%) | 0.21 |
| Irritability | 61 (50.4%) | 12 (44.4%) | 0.67 |
| Lability | 43 (35.5%) | 10 (37.0%) | 1.000 |
| Aberrant motor behavior | 65 (53.7%) | 18 (66.7%) | 0.29 |
| Pacing | 31 (25.6%) | 12 (44.4%) | 0.06 |
All p < 0.01 are in bold, tests based on Fisher’s exact method for 2 × 2 tables.
VH: visual hallucination.