Abstract
BackgroundResponsiveness and minimal important change (MIC) are central measurement properties when interpreting scores from health questionnaires. The aim of the study was to evaluate the responsiveness and MIC of the Danish version of the shortened version the Disabilities of the Arm, Shoulder and Hand questionnaire (Quick-DASH) in patients with shoulder disorders referred to primary care physiotherapy treatment.MethodsThe study included 261 patients who completed questionnaires at baseline and 3 and 6 months follow up. Absolute and relative change scores was analysed using receiver-operating-characteristics (ROC) curve analysis with the Patient Global Impression of Change (PGIC) as external anchor.ResultsAt both 3 and 6 months follow up, the Area under the Curve (ROC AUC) exceeded 0.70 and MIC was 9.1 and 13.6 at 3 and 6 months respectively.ConclusionThe Danish version of the Quick-DASH demonstrated adequate ability to measure changes in disability over 3 and 6 months in patients with shoulder disorders undergoing primary care physiotherapy treatment.
Highlights
Responsiveness and minimal important change (MIC) are central measurement properties when interpreting scores from health questionnaires
The aim of the present study was to evaluate responsiveness and MIC of the Danish Quick-DASH in patients with shoulder disorders referred to primary care physiotherapy treatment, thereby adding to earlier findings on the use of this questionnaire
A total of 341 patients with shoulder conditions were referred from general practitioner to physiotherapy treatment from January to June 2016 of which 5 were excluded (age under 18 (n = 4) and suspicion on serious disease (n = 1))
Summary
Responsiveness and minimal important change (MIC) are central measurement properties when interpreting scores from health questionnaires. The aim of the study was to evaluate the responsiveness and MIC of the Danish version of the shortened version the Disabilities of the Arm, Shoulder and Hand questionnaire (Quick-DASH) in patients with shoulder disorders referred to primary care physiotherapy treatment. Conclusion: The Danish version of the Quick-DASH demonstrated adequate ability to measure changes in disability over 3 and 6 months in patients with shoulder disorders undergoing primary care physiotherapy treatment. Valid and responsive outcome measures are important when evaluating the effect of treatment. The Disabilities of the Arm, Shoulder and Hand questionnaire (DASH) is a 30 item questionnaire designed to measure symptoms and physical functioning in patients with any or multiple musculoskeletal symptoms of the upper extremity [1].
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