title: The Munich Wrist Questionnaire (MWQ) - development and validation of a new patient-reported outcome measurement tool for wrist disorders.
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.
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany. marc.beirer@mri.tum.de.
authors.forename: Marc
authors.initials: M
authors.lastname: Beirer
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Julian
authors.initials: J
authors.lastname: Serly
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Helen
authors.initials: H
authors.lastname: Vester
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Dominik
authors.initials: D
authors.lastname: Pförringer
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Moritz
authors.initials: M
authors.lastname: Crönlein
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Stephan
authors.initials: S
authors.lastname: Deiler
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Peter
authors.initials: P
authors.lastname: Biberthaler
authors.affiliation: Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Ismaningerstrasse 22, Munich, 81675, Germany.
authors.forename: Chlodwig
authors.initials: C
authors.lastname: Kirchhoff
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D015331:Cohort Studies; D005260:Female; D005858:Germany / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D000071066:Patient Reported Outcome Measures; D011446:Prospective Studies; D016059:Range of Motion, Articular / Q000502:physiology; D011795:Surveys and Questionnaires / Q000592:standards*; D014954:Wrist Injuries / Q000175:diagnosis* / Q000453:epidemiology / Q000503:physiopathology; D014955:Wrist Joint / Q000502:physiology*; D055815:Young Adult
keywords: MWQ; Outcome measurement tool; Reliability; Responsiveness; Validity