Table 1. Demographic characteristics and clinical details of participants.
| Freezers | Non-freezers | P-value | |
| Number | 14 | 17 | |
| Age | 71 (7.8) | 66 (8.7) | p = 0.13 |
| Gender | 3 F | 3 F | |
| Symptom Severity (UPDRS-III) | 34 (10.1) | 20 (10.4) | p = 0.0009 |
| 3MS | 95 (7) | 96 (4.5) | p = 0.53 |
| Dosage (LED) | 204.1 (62.7) | 223.1 (98.9) | p = 0.54 |
| STAI-Trait | 33 (6.9) | 32 (6.6) | p = 0.74 |
| STAI-State | 34 (8.7) | 30 (5.9) | p = 0.19 |
| GDS | 7 (3.4) | 7 (5) | p = 0.82 |
| SCOPA-AUT | 16 (5.6) | 16 (4.4) | p = 0.89 |
| Pre-SSQ | 6 (4.7) | 9 (7.1) | p = 0.47 |
| Post-SSQ | 9 (7.4) | 8 (5.5) | p = 0.97 |
| ‘OFF’ Freezers | ‘ON’ Freezers | P-value | |
| UPDRS-III | 39 (10.6) | 32 (11.3) | p = 0.0001 |
| STAI-Trait | 35 (8.9) | 33 (5.8) | p = 0.37 |
| STAI-State | 37 (10.8) | 31 (8.9) | p = 0.20 |
3MS: Modified Mini Mental State Exam; STAI: State-Trait Anxiety Inventory; GDS: Geriatric Depression Scale; SSQ: Simulator Sickness Questionnaire.