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The influence of dominant limb involvement on DASH and QuickDASH
Amir Reza Kachooei1, Ali Moradi1, Stein Jasper Janssen2
1Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, Harvard Medical School, Yawkey Center, 55 Fruit Street, Suite 2100, Boston, MA 02114 USA ; Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Purpose:
The purpose of this study is to determine whether involvement of the dominant limb affects Disabilities of the Arm Shoulder and Hand (DASH) scores.
Methods:
A convenience sample of 948 patients from 12 prospective studies that recorded hand dominance, affected side, diagnosis, and a DASH or QuickDASH score was used to assess the influence of involvement of the dominant limb on DASH scores. Diagnosis was categorized as traumatic and nontraumatic. Region was categorized as hand and wrist, elbow, and arm and shoulder.
Results:
In bivariate analysis, involvement of the dominant limb, diagnosis, region, and sex had significant influence on DASH/QuickDASH score. In multivariable analysis, dominant hand condition, traumatic diagnosis, arm and shoulder involvement, and female sex were associated with significantly higher DASH scores (more disability), but accounted for only 10 % of the variability in scores.
Conclusion:
Upper extremity disability as measured by the DASH is slightly, but significantly greater when the dominant limb is involved.
Level Of Evidence:
Prognostic level II.
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