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. 2016 Apr 14:17:167.
doi: 10.1186/s12891-016-1029-4.

The Munich Wrist Questionnaire (MWQ) - development and validation of a new patient-reported outcome measurement tool for wrist disorders

Marc Beirer  1 , Julian Serly  2 , Helen Vester  2 , Dominik Pförringer  2 , Moritz Crönlein  2 , Stephan Deiler  2 , Peter Biberthaler  2 , Chlodwig Kirchhoff  2
Affiliations

The Munich Wrist Questionnaire (MWQ) - development and validation of a new patient-reported outcome measurement tool for wrist disorders

Marc Beirer et al. BMC Musculoskelet Disord. .

Abstract

Background: Although self-assessment questionnaires for the wrist joint are numerous, most validation studies focus on a specific pathology and patient collectives. In addition the available questionnaires focus on subjective parameters such as pain, usual and specific activities but the range of motion (ROM) as an essential objective parameter in wrist disorders is rarely considered. Therefore the purpose of the presented study was to develop and validate a new universally applicable self-assessment score, the Munich Wrist Questionnaire (MWQ), which allows for the assessment of subjective as well as objective parameters of the wrist joint.

Methods: The MWQ consists of 16 items addressing three domains: pain, work and activities of daily living and wrist function including range of motion and grip strength. In a prospective clinical study validity, reliability and responsiveness of the MWQ of physical active patients were evaluated.

Results: Validation study included 100 patients (mean age 41 years, SD 16.3 years; range, 18-77 years). Test-retest reliability was substantial, with intraclass correlation coefficients ranging from 0.75 to 0.83 for the three domains. Construct validity and responsiveness were confirmed by correlation coefficients of at least 0.86 for construct validity and for responsiveness ranging from 0.61 to 0.65.

Conclusions: The MWQ presents a valid and reliable instrument for a qualitative self-assessment of subjective and objective parameters (e.g. range of motion) of the wrist joint. Quantitative measurement of wrist function may not longer be limited to specific wrist disorders or patient groups. The MWQ seems to allow for a broad application in clinical research and may facilitate the comparison of treatment results in wrist disorders.

Keywords: MWQ; Outcome measurement tool; Reliability; Responsiveness; Validity.

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Figures

Fig. 1
Fig. 1
Functional abilities depicted as photographs: pronation/supination. a neutral position; b pronation; c supination
Fig. 2
Fig. 2
Functional abilities depicted as photographs: flexion/extension and abduction/adduction. a extension/flexion of the right hand; b extension/flexion of the left hand; c abduction/adduction of the right hand; d abduction/adduction of the left hand
Fig. 3
Fig. 3
Clinical study profile; flowchart of the study process
Fig. 4
Fig. 4
Simple regression scatter plots of the correlation between the MWQ and the DASH (a, n = 100), the PRWE (b, n = 100), the CBS (c, n = 100) and the MWS (d, n = 100), Solid lines represent the linear regression. Pearson’s correlation coefficients (r) are given in each panel. DASH, Disabilities of the Arm, Shoulder and Hand Score; PRWE, Patient-Rated Wrist Evaluation Score; CBS, Cooney and Bussey Score; MWS, Mayo Wrist Score
See this image and copyright information in PMC

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