Class 1 is the largest of the groups and has a mean eq5d of 0. The full text of this article is available in pdf format. This varies, however, for different subscales and types of interventions. The womac contains five pain, two stiffness, and 17 physical function items, and is available in fivepoint likert lk, 100mm visual analogue va, and 11point numerical rating nr scaling formats. Western ontario and mcmaster universities arthritis index. While the format paper vs electronic might have had some influence on the stiffness scale and on the total womac index, the format. Hip disability and osteoarthritis outcome score womac. Page daccueil fiabilite metrologique atteinte des objectifs gas droit et utilisation. Since its development in 1982, the womac index has undergone several revisions and modifications.
Patient relevant, diseasespecific, patient selfcompleted, flexible delivery, multiple language forms. Apr 30, 2010 measurement properties of the womac lk 3. Validation studies reliability, validity, responsiveness orthopaedic validation study pharmacologic validation study. Developed over 20 years ago, womac has been revised multiple times to its most current version, 3. Validation of chinese western ontario and mcmaster universities osteoarthritis index womac in patients scheduled for total knee replacement.
The use and reporting of womac for the assessment of. The following is the table of contents from the womac 3. Womac osteoarthritis index rozina and smith physical therapy. It includes five questions about pain, two about stiffness, and 17 on degree of disability of activities of daily living. A post office called womac was established in 1888, and remained in operation until it was discontinued in 1910. March 201458different validation studies of womac make this clini. Since its presentation by bellamy et al in 1988, it has. The western ontario and mcmaster universities osteoarthritis. The western ontario and mcmaster universities osteoarthritis index womac is a widely used, proprietary set of standardized questionnaires used by health professionals to evaluate the condition of patients with osteoarthritis of the knee and hip, including pain, stiffness, and physical functioning of the joints. Bellamy n, buchanan ww, goldsmith ch, campbell j, stitt lw. Sep 01, 2009 the womac has been translated into 80 languages and the australian version 3.
Womac assesses pain stiffness and physical function in persons with hip andor knee osteoarthritis. Pdf validation of a modified thai version of the western. Western ontario and mcmaster universities osteoarthritis. Theiler r, bischoffferrari ha, good m and bellamy n. The measure was developed to evaluate clinically important, patient. The success of the womac index is in large part related.
However, there is relatively little evidence to support the use of the visual analogue scale vas version of the scale. Womac osteoarthritis index questionnaire rehabilitation services pt thatka womac questionnaire mr1433 1115 page 1 of 1 patient name dob western ontario and mcmaster osteoarthritis index womac please circle the appropriate rating for each item. Take the measure of osteoarthritis the rheumatologist. In 74% of trials the reporting of the scale used was inadequate. It is a selfadministered questionnaire consisting of 24 items divided into 3 subscales. The mics of the pain and function subscales are also reported for small, medium, and large changes.
Womac user guide ix womac user guide nine womac user guide 9. P 1 pain 5 questions 2 stiffness 2 questions 3 function 17 questions the original womac is available in two formats, visual analog scales and likertboxes, with similar metric properties. The scores for womac pain, stiffness, and physical function subscales, and total score at visit 1 for subjects in the vs population and for healthy volunteers were statistically significantly different i. The mics for the shortmac and traditional womac both transformed to a scale from 0 to 100 were 7. Womac is a selfadministered health status measure that assesses the dimensions of pain, stiffness and function either separately or as an overall index in patients with oa of the hip or knee. Background the western ontario and mcmaster universities womac osteoarthritis index is a previously described selfadministered questionnaire covering three domains. The womac western ontario and mcmaster universities index of.
The womac has also been used to assess back pain, rheumatoid. Information and translations of womac in the most comprehensive dictionary definitions resource on the web. Pdf validity, reliability, and comparison of the womac. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. What womac pain score should make a patient eligible for a. Ex perience has permitted the development of variations in the timeframe. Pt thatka womac questionnaire mr1433 1115 page 1 of 1 patient name dob western ontario and mcmaster osteoarthritis index womac please circle the appropriate rating for each item. Responsiveness of the electronic touch screen womac 3. All of the items use 010 numeric rating scales, with higher numbers reflecting greater severity. Mcmaster osteoarthritis index womac please circle the. Validity, reliability, and comparison of the womac. The western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. The western ontario and mcmaster universities osteoarthritis index womac. Apr 27, 2010 a preliminary evaluation of mobile phone technology for repeated independent remote data capture using the mobile phonebased mwomac nrs 3.
Pain 5 items, stiffness 2 items, and physical function 17 items. A model to estimate health utilities index mark 3 utility scores from womac index scores in patients with osteoarthritis of the knee. Clinimetric properties of the auscan osteoarthritis hand index. To assess validity and reliability of the western ontario and mcmaster universities womac osteoarthritis oa index and lequesne algofunctional index in turkish patients with hip or knee oa and to compare the results of the instruments for these two particular sites of involvement. The western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. Womac index was also less than optimal in a large proportion of studies.
The number of different score ranges was high and only 39% of trials used the standard 096, or 02400 or. Une version raccourcie short womac 17 items supprimant les items 1,2,3,6,7,8,9 and 15 5 et une. Modelling the relationship between the womac osteoarthritis. The 21item selfreported questionnaire 2009 revision measures 3 domains physical function, 9 items. Validity, reliability, and comparison of the womac osteoarthritis index and lequesne algofunctional index in turkish patients with hip or knee. Womac is an unincorporated community in macoupin county, in the u. Validation and patient acceptance of a computer touch screen.
Clinically important improvement in the womac and predictor. Clinician researchers american college of rheumatology. The current womac survey is comprised of 24 items divided into three subscales. Patients are asked a range of questions about their ability to carry out daily activities such. Apr 30, 2010 the western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. Jan 23, 2012 the aims of the present study were first to detect mcid for womac in a moroccan population, and second, to identify the best pretreatment predictors on the change of health after treatment by nonspecific, nonsteroidal antiinflammatory drugs nsaids, and to evaluate whether the predictors were dependent on the choice of the response criterion. Validity, reliability, and comparison of the womac osteoarthritis index and lequesne algofunctional index in turkish patients with hip or knee osteoarthritis article pdf available february 2010. The western ontario and mcmaster universities arthritis index is a widely used, proprietary set of standardized questionnaires used by health professionals to evaluate the condition of. Validation of the chinese western ontario and mcmaster. The western ontario and mcmaster universities osteoarthritis index womac is a widely used measure of symptoms and physical disability originally developed for people with osteoarthritis oa of the hip andor knee 1, 2.
We aimed to explore the internal validity and responsiveness of this vas version of the womac. Validation studies reliability, validity, responsiveness. We observed, in all cases, an improvement after the surgical procedure, reinforcing once more, the correct validation of the questionnaires to find changes in quality of life of patients following a knee womxc. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Validation of a modified thai version of the western ontario and mcmaster womac osteoarthritis index for knee osteoarthritis article pdf available in clinical rheumatology 2610.
Rasch analysis of the western ontariomcmaster womac. We screened subjects with knee pain using the likert version of the womac and scored all subjects based on the severity of pain with each of the 5 womac. Classes 1, 3 and 4 jointly reflect the peaks in the distribution seen around 0. Sep 21, 2019 the western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. The pain scale consists of five items and all items are scored on a fivepoint scale 04 with higher scores representing greater levels of pain 32. Background and objective this study is based on secondary analysis of western ontario mcmaster osteoarthritis index womac data from a community sample over 55 years and total hip or knee arthroplasty samples presurgery and 1 year postoperative.
We screened subjects with knee pain using the likert version of the womac and scored all subjects based on the severity of. Take the measure of osteoarthritis page 3 of 4 the. The index is selfadministered and assesses the three dimensions of pain, disability and joint stiffness in knee and hip osteoarthritis using a battery of 24 questions. The womac index has been used extensively in clinical trials, and has generally been shown to exhibit greater or comparable responsiveness to change than other tests. Clinicians and researchers interested in obtaining a copy of the instrument and user guide should visit the womac website for information about licensing and. To evaluate different western ontario and mcmaster universities osteoarthritis index womac pain thresholds as eligibility criteria for a knee osteoarthritis oa trial and their effect on number of subjects recruited. An extension of the western ontario and mcmaster universities osteoarthritis index. It has been validated in patients with osteoarthritis oa of the hip or knee in a paperbased format. Following orientation to the mwomac index, and initial completion in the office, patients took the phones home and independently completed the index on four subsequent occasions over 12 days, sending their data each time to a server in usa. The womac has been translated into 80 languages and the australian version 3.
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