Validation for the reduced Western Ontario McMaster Universities Osteoarthritis Index function scale
Whitehouse, Sarah L., Learmonth, Ian D., & Crawford, Ross W. (2008) Validation for the reduced Western Ontario McMaster Universities Osteoarthritis Index function scale. Journal of Orthopaedic Surgery, 16(1), pp. 50-53.
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Abstract
Aim: The reduced WOMAC function scale has been developed and initial validity performed. However, further validation and recommendations for the treatment of missing values are required
Method: A cross-over study of 100 pre-operative TKA patients was performed for further validation. Repeatability testing was performed for full and reduced WOMAC scores. Missing value protocols were developed, examining number of valid responses, means and SDs.
Results: Cross-over: There was no significant difference between full and reduced scales.
Test-retest: There was no significant difference between scores for either the full or reduced scales.
Missing values: The frequencies of valid responses, means and SDs when using different missing value protocols (none missing, 0-1, upto 2 and upto 3 missing), indicated that the 1 or 2 missing protocol was optimal.
Conclusions: The reduced WOMAC function scale has been further validated. It is proposed that where 1 or 2 items are missing, the average value for the sub-scale is substituted in lieu of these missing values.
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| ID Code: | 13400 |
|---|---|
| Item Type: | Journal Article |
| Additional URLs: | |
| Keywords: | Reduced WOMAC, missing values, validation, outcome total joint replacement |
| ISSN: | 1022-5536 |
| Subjects: | Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314) |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering Current > Institutes > Institute of Health and Biomedical Innovation |
| Copyright Owner: | Copyright 2008 Hong Kong Academy of Medicine Press |
| Copyright Statement: | Reproduced in accordance with the copyright policy of the publisher. |
| Deposited On: | 01 May 2008 |
| Last Modified: | 29 Feb 2012 23:49 |
Available Versions of this Item
- Validation and Treatment of Missing Values for the Reduced WOMAC Function Scale. (deposited 26 Apr 2007)
- Validation for the reduced Western Ontario McMaster Universities Osteoarthritis Index function scale. (deposited 01 May 2008)[Currently Displayed]
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