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Erschienen in: Quality of Life Research 4/2010

01.05.2010 | Brief Communication

Responsiveness of the EQ-5D and 8-item Parkinson’s Disease Questionnaire (PDQ-8) in a 4-year follow-up study

verfasst von: Nan Luo, Wai-Yee Ng, Puay-Ngoh Lau, Wing-Lok Au, Louis CS Tan

Erschienen in: Quality of Life Research | Ausgabe 4/2010

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Abstract

Objective

The purpose of this study was to evaluate the responsiveness of the EQ-5D and the Parkinson’s Disease Questionnaire (PDQ-8) to deterioration in health-related quality of life (HRQoL) in patients with Parkinson’s disease (PD).

Methods

HRQoL and clinical data collected from 31 patients with PD (male: 74.2%, mean age: 61 years) who were surveyed with the EQ-5D and the PDQ-8 questionnaires in 2002 and 2006/2007 were analyzed. Responsiveness of the EQ-5D, PDQ-8, and Hoehn and Yahr (H&Y) staging were assessed according to Cohen’s effect size (ES) and standardized response mean (SRM).

Results

The mean (standard deviation) EQ-5D index and PDQ-8 summary index (PDQ-8SI) scores were 0.76 (0.23) and 17.7 (14.2) at baseline and 0.52 (0.33) and 35.1 (17.4) at year four. Based on both ES and SRM indices, the rank order of responsiveness of the studied measures, from high to low, was PDQ-8SI (ES = 1.22), EQ-5D index score (ES = 1.06), H&Y score (ES = 0.82), and the EQ-VAS score (ES = 0.24).

Conclusion

Both the EQ-5D and PDQ-8 are responsive to changes in health burden of the Parkinson’s disease over a 4-year period.
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Metadaten
Titel
Responsiveness of the EQ-5D and 8-item Parkinson’s Disease Questionnaire (PDQ-8) in a 4-year follow-up study
verfasst von
Nan Luo
Wai-Yee Ng
Puay-Ngoh Lau
Wing-Lok Au
Louis CS Tan
Publikationsdatum
01.05.2010
Verlag
Springer Netherlands
Erschienen in
Quality of Life Research / Ausgabe 4/2010
Print ISSN: 0962-9343
Elektronische ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-010-9615-7

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