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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_13 | Pages 60 - 60
1 Mar 2013
Bakhsh H Ibrahim I Khan W Smitham P Goddard N
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In recent years, there has been an increase in using self- admistrated questionnaires to accurately assess intervention outcomes in hand surgery to determine the quality of healthcare. This study aims to evaluate whether the Manchester Modified Disabilities of the Arm, Shoulder and Hand (M2DASH) questionnaire is a valid, reliable, responsive, and unbiased outcome measure for Carpal Tunnel syndrome compared to the Disability of Arm, Shoulder, and Hand (DASH) questionnaire, Boston questionnaire (BQ), and Nerve Conduction Studies (NCS).

Method

48 patients with CTS confirmed by NCS completed the M2DASH, original DASH, and the BQ, at least twice at different time intervals. The scores obtained from M2DASH were compared and correlated with the DASH, BQ, and NCS to assess validity, reliability, responsiveness, and bias of the questionnaires.

Results

Validity analysis for M2DASH showed strong positive correlations with the Original DASH and BQ. No significant correlation was obtained from correlating with NCS. Reliability testing confirmed that the M2DASH is internally consistent and reproducible outcome. Significant results for responsiveness were noted in BQ symptom severity scale only. There was no age, gender, hand dominance, or side affected bias in all three questionnaires.