The Clinical Impression of Severity Index for Parkinson’s Disease (CISI-PD) is the key validated tool for assessing the global severity of Parkinson’s Disease
The Parkinson’s Disease Questionnaire-39 (PDQ-39) is the gold-standard tool for measuring quality of life in Parkinson’s disease, offering vital insights for researchers.
The GIDS-PD is a key self-report tool for researchers and clinicians to quantitatively assess the presence and severity of gastrointestinal symptoms in Parkinson’s disease.