| ADLS | Schwab and England Activities of Daily Living Scale |
| BDI | Beck Depression Inventory |
| CGI | Clinical Global Impressions |
| ESS | Epworth Sleepiness Scale |
| FOGQ | Freezing Of Gait Questionnaire |
| H&Y | Hoenh and Yahr |
| KPPS | King’s PD Pain Scale |
| NMS | non-motor symptoms |
| NMSS | Non-Motor Symptoms Scale |
| NPI | Neuropsychiatric Inventory |
| PDQ-39SI | 39-item Parkinson’s Disease Quality of Life Questionnaire Summary Index |
| PSQI | Pittsburgh Sleep Quality Index |
| UPDRS | Unified Parkinson’s Disease Rating Scale |
| VAFS | Visual Analog Fatigue Scale |
| VAS-Pain | Visual Analog Scale-Pain |