39-item Parkinson's Disease Questionnaire(English)
- particularly its summary index (PDQ-39SI) is a widely used patient-reported clinical trial endpoint. A basic assumption when summing items into a total score is that they represent a common variable. Newer data indicate multidimensionality and challenge the interpretation and validity of PDQ-39SI. Also denoted as PDQ39
- PD, FOGQ, TUG, UPDRSIII, 6MWT
- Parkinson, Questionnaire, Clinical trials, Gait/walking
- https://doi.org…756285609103726
- https://doi.org…0520-017-0836-2