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Concurrent validity study of QuickDASH with respect to DASH in patients with traumatic upper extremity amputation
Joonas Pyörny1, Ida Neergård Sletten2, Jarkko Jokihaara3,4
1Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
BMC Musculoskeletal Disorders
|January 23, 2024
Summary
The QuickDASH is a valid and reliable tool for assessing traumatic upper extremity amputations, showing strong correlation with the full DASH measure. This shortened version is recommended for clinical practice due to its feasibility.
Area of Science:
- Orthopedics
- Musculoskeletal Disorders
- Trauma Surgery
Background:
- The Disability of the Arm, Shoulder and Hand Outcome Measure (DASH) is a validated patient-reported outcome measure (PROM).
- Limited evidence exists on the equivalence of QuickDASH to DASH in severe traumatic conditions.
- This study investigates QuickDASH validity in traumatic upper extremity amputation patients.
Purpose of the Study:
- To analyze the concurrent validity of the QuickDASH with respect to the full DASH.
- To assess the feasibility and reliability of QuickDASH in patients with traumatic upper extremity amputation.
Main Methods:
- A consecutive cohort of traumatic upper extremity amputation patients (2009-2019) was analyzed.
- Concurrent validity was estimated using correlation coefficients, mean score differences, and Bland-Altman plots.
- Internal reliability was assessed using Cronbach's alpha and item-total correlations.
Main Results:
- A very strong linear correlation (r=0.97) was found between DASH and QuickDASH scores.
- Mean score differences were minor, with good agreement shown on Bland-Altman plots.
- QuickDASH showed higher scores for activity and lower for symptoms compared to DASH, with some measurement error at high scores.
Conclusions:
- QuickDASH demonstrates high concurrent validity with DASH in traumatic upper extremity amputation patients.
- The differences in total scores are likely below the Minimal Clinically Important Difference (MCID).
- QuickDASH is recommended as a feasible alternative to the full DASH for assessing traumatic conditions.
