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Western Ontario Osteoarthritis Shoulder (WOOS) index: a cross-cultural adaptation into Swedish, including evaluation of reliability, validity, and responsiveness in patients with subacromial pain.
MedLine Citation:
PMID:  22445627     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The aim of the present study was to translate the Western Ontario Osteoarthritis Shoulder (WOOS) index into Swedish and to test its validity, reliability, and responsiveness in patients with subacromial pain. METHODS: The validity of the WOOS translation was tested in 54 patients who completed the WOOS and the Shoulder Rating Questionnaire, Swedish version (SRQs). Of these patients, 46 were retested to assess reliability. Responsiveness was evaluated in 29 subjects who completed the WOOS and SRQs before surgery and again at 3 months after surgery, when they also rated perceived change in shoulder function. The relationship between the questionnaires and patient-perceived improvement was assessed. RESULTS: A high correlation was found between the Swedish version of WOOS and the SRQs. The correlations were similar in a group of working patients (r = -0.832) and in all patients (r = -0.843; P < .001). A high degree of agreement between WOOS at test and retest was also observed. A Bland-Altman plot showed a small mean difference and no trend across the range of WOOS values. A strong significant agreement was also shown by a κ value of 0.649 (P < .001) and an intraclass correlation coefficient of 0.95 (95% confidence interval, 0.92-0.97, P < .001) as well as by a low difference between the test and retest means. Responsiveness, calculated by standardized response mean, was excellent (1.02). CONCLUSION: The results of the present study provide evidence that the Swedish version of WOOS is valid, reliable, and responsive in patients with subacromial pain and performs similarly to the original Canadian version.
Authors:
Ingrid Hultenheim Klintberg; Karin Lind; Tom Marlow; Ulla Svantesson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-21
Journal Detail:
Title:  Journal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.]     Volume:  -     ISSN:  1532-6500     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9206499     Medline TA:  J Shoulder Elbow Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Mosby, Inc. All rights reserved.
Affiliation:
Department of Physiotherapy and Occupational Therapy, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden; Department of Orthopaedics, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.
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