Apr 30, 2013 · The Parkinson’s Disease Questionaire-8 is a short-form version, derived from the Parkinson Disease Questionaire-39. It is a self-administered questionnaire, used to measure quality of life in persons with Parkinson’s disease. Instrument details. Acronym PDQ-8. Activities of Daily Living. Attention & Working Memory. Communication. Depression.

The 8-item version of the Parkinson's Disease Questionnaire (PDQ-8) is a shortened version of the 39-item Parkinson’s Disease Questionnaire (PDQ-39). It was developed to reduce the respondent burden and increase convenience for use among persons with Parkinson's Disease in …

how often during the last month have you... 1. Had difficulty getting around in public? 2. Had difficulty dressing yourself? 3. Felt depressed? 4. Had problems with your close personal relationships? 5. concentration, e.g. when reading or watching TV? 6. Felt unable to communicate with people properly? 7. Had painful muscle cramps or spasms? 8.

The PDQ-8 contains eight of the original 39 items of the PDQ-39; one item selected from each of the 8 scales. The PDQ-8 provides a reliable measure of overall health status and is ideal for studies in which a shorter questionnaire is preferred.

PDQ-8, which is composed of eight representative questions from PDQ-39 , is the only available and widely used short QoL tool related to parkinsonism. Because PDQ-8 could shorten the filling time and increase the completion rate, it is preferred in the use of mobile app and follow-up in PD .

The PDQ-8 is a simplified version of the PDQ-39, suitable for assessing the quality of life of Parkinson's disease patients. A higher score indicates worse quality of life for the patient.

PDQ-8 could be an easy, reliable, and valid tool to evaluate QoL in patients with PSP. Besides motor symptoms, more attention should be paid to non-motor impairment such as depression in PSP.

• a comparison of results from the PDQ-8 and PDQ-39 in a longitudinal study; • an example of cross cultural validation of the PDQ-39; • documentation of the development and validation of an e-based PDQ-39,

Six of eight PDQ-8 items showed the strongest correlation with their PDQ-39 dimensions as hypothesised. PDQ-39 and PDQ-8 summary indexes were highly correlated (Pearson's r=0.96, ICC=0.95), and both were strongly correlated with the EQ-5D utility index and EQ-5D visual analogue scale (P<0.001).

The PDQ-8 embedded in the PDQ-39 presented psychometric properties similar to the stand-alone PDQ-8. Our results, while consistent with previous classical psychometric analyses, add information on the meaningfulness of PDQ-8 in people with PD.