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Problems persist in reporting of methods and results for the WOMAC measure in hip and knee osteoarthritis trials.

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Title: Problems persist in reporting of methods and results for the WOMAC measure in hip and knee osteoarthritis trials.
Authors: Copsey, B., Thompson, J. Y., Vadher, K., Ali, U., Dutton, S. J., Fitzpatrick, R., Lamb, S. E., Cook, J. A.
Source: Quality of Life Research. Feb2019, Vol. 28 Issue 2, p335-343. 9p. 1 Diagram, 6 Charts, 1 Graph.
Subjects: Osteoarthritis, Arthritis, Statistics, Meta-analysis, Confidence intervals
Geographic Terms: Ontario
Abstract: Purpose: The Western Ontario and McMaster Universities Arthritis Index (WOMAC) is a commonly used outcome measure for osteoarthritis. There are different versions of the WOMAC (Likert, visual analogue or numeric scales). A previous review of trials published before 2010 found poor reporting and inconsistency in how the WOMAC was used. This review explores whether these problems persist.Methods: This systematic review included randomised trials of hip and/or knee osteoarthritis published in 2016 that used the WOMAC. Data were extracted on the version used, score range, analysis and results of the WOMAC, and whether these details were clearly reported.Results: This review included 62 trials and 41 reported the WOMAC total score. The version used and item range for the WOMAC total score were unclear in 44% (n = 18/41) and 24% (n = 10/41) of trials, respectively. The smallest total score range was 0-10 (calculated by averaging 24 items scored 0-10); the largest was 0-2400 (calculated by summing 24 items scored 0-100). All trials reported the statistical analysis methods but only 29% reported the between-group mean difference and 95% confidence interval.Conclusion: Details on the use and scoring of the WOMAC were often not reported. We recommend that trials report the version of the WOMAC and the score range used. The between-group treatment effect and corresponding confidence interval should be reported. If all the items of the WOMAC are collected, the total score and individual subscale scores should be presented. Better reporting would facilitate the interpretation, comparison and synthesis of the WOMAC score in trials. [ABSTRACT FROM AUTHOR]
Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Problems persist in reporting of methods and results for the WOMAC measure in hip and knee osteoarthritis trials.
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  Data: <searchLink fieldCode="AR" term="%22Copsey%2C+B%2E%22">Copsey, B.</searchLink><br /><searchLink fieldCode="AR" term="%22Thompson%2C+J%2E+Y%2E%22">Thompson, J. Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Vadher%2C+K%2E%22">Vadher, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Ali%2C+U%2E%22">Ali, U.</searchLink><br /><searchLink fieldCode="AR" term="%22Dutton%2C+S%2E+J%2E%22">Dutton, S. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Fitzpatrick%2C+R%2E%22">Fitzpatrick, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Lamb%2C+S%2E+E%2E%22">Lamb, S. E.</searchLink><br /><searchLink fieldCode="AR" term="%22Cook%2C+J%2E+A%2E%22">Cook, J. A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Quality+of+Life+Research%22">Quality of Life Research</searchLink>. Feb2019, Vol. 28 Issue 2, p335-343. 9p. 1 Diagram, 6 Charts, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Osteoarthritis%22">Osteoarthritis</searchLink><br /><searchLink fieldCode="DE" term="%22Arthritis%22">Arthritis</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Meta-analysis%22">Meta-analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink>
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  Data: <bold>Purpose: </bold>The Western Ontario and McMaster Universities Arthritis Index (WOMAC) is a commonly used outcome measure for osteoarthritis. There are different versions of the WOMAC (Likert, visual analogue or numeric scales). A previous review of trials published before 2010 found poor reporting and inconsistency in how the WOMAC was used. This review explores whether these problems persist.<bold>Methods: </bold>This systematic review included randomised trials of hip and/or knee osteoarthritis published in 2016 that used the WOMAC. Data were extracted on the version used, score range, analysis and results of the WOMAC, and whether these details were clearly reported.<bold>Results: </bold>This review included 62 trials and 41 reported the WOMAC total score. The version used and item range for the WOMAC total score were unclear in 44% (n = 18/41) and 24% (n = 10/41) of trials, respectively. The smallest total score range was 0-10 (calculated by averaging 24 items scored 0-10); the largest was 0-2400 (calculated by summing 24 items scored 0-100). All trials reported the statistical analysis methods but only 29% reported the between-group mean difference and 95% confidence interval.<bold>Conclusion: </bold>Details on the use and scoring of the WOMAC were often not reported. We recommend that trials report the version of the WOMAC and the score range used. The between-group treatment effect and corresponding confidence interval should be reported. If all the items of the WOMAC are collected, the total score and individual subscale scores should be presented. Better reporting would facilitate the interpretation, comparison and synthesis of the WOMAC score in trials. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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