Table 3.
Comparison of minor hallucinations between the TD and PIGD patients.
| All | TD | PIGD | p | |
|---|---|---|---|---|
| Number | 60 | 22 | 38 | |
| Latency(years) | 3.89 ± 4.97 | 6.18 ± 3.93 | 2.57 ± 5.07 | 0.005 |
| Subtype | ||||
| Presence hallucination | 23 (38.3%) | 7 (31.8%) | 16 (42.1%) | 0.430 |
| Passage hallucination | 30 (50.0%) | 13 (59.1%) | 17 (44.7%) | 0.284 |
| Visual illusion | 39 (65.0%) | 10 (45.5%) | 29 (76.3%) | 0.016 |
| Appearance time | 0.612 | |||
| Daytime | 40 (66.7%) | 14 (63.6%) | 26 (68.4%) | |
| Nighttime | 10 (16.7%) | 5 (22.7%) | 5 (13.2%) | |
| Both | 10 (16.7%) | 3 (13.6%) | 7 (18.4%) | |
| Lighting | 0.180 | |||
| Bright | 27 (45.0%) | 9 (40.9%) | 18 (47.4%) | |
| Dim | 30 (50.0%) | 13 (59.1%) | 17 (44.7%) | |
| Both | 3 (5.0%) | 0 (0.0%) | 3 (7.9%) | |
| Form of occurrence | 1.000 | |||
| Sudden | 59 (98.3%) | 22 (100.0%) | 37 (97.4%) | |
| Gradual | 1 (1.7%) | 0 (0.0%) | 1 (2.6%) | |
| Lasting time | 1.000 | |||
| Seconds | 47 (78.3%) | 17 (77.3%) | 30 (78.9%) | |
| Minutes | 13 (21.3%) | 5 (22.7%) | 8 (21.1%) | |
| Frequency | 0.869 | |||
| Daily | 19 (31.7%) | 7 (31.8%) | 12 (31.6%) | |
| ≥1/week | 13 (21.7%) | 4 (18.2%) | 9 (23.7%) | |
| <1/week | 28 (46.7%) | 11 (50.0%) | 17 (44.7%) | |
| Size | 0.323 | |||
| Normal | 55 (91.7%) | 20 (90.9%) | 35 (92.1%) | |
| Magnified | 1 (1.7%) | 1 (4.5%) | 0 (0.0%) | |
| Miniaturized | 4 (6.7%) | 1 (4.5%) | 3 (7.9%) | |
| Color | 0.583 | |||
| Monochrome | 33 (55.0%) | 14 (63.6%) | 19 (50.0%) | |
| Colorized | 24 (40.0%) | 7 (31.8%) | 17 (44.7%) | |
| Both | 3 (5.0%) | 1 (4.5%) | 2 (5.3%) |
Values are shown as n (%). Bold value is statistically significant (p < 0.05). TD, tremor dominant; PIGD, postural instability and gait difficulty.