The authors are currently part of a multicentric study in india that is using the womac as an index of efficacy in a study on osteoarthritis. It is a selfadministered questionnaire consisting of 24 items divided into 3 subscales. The womac has also been used to assess back pain, rheumatoid. 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. The questionnaire also includes sections which ask respondents to rate their satisfaction and the impact of arthritis on each of these 12 areas. Cuestionario womac pdf the western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis.
The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from treatment interventions. It can be administered in person, via computer, by telephone interview, and can even be delivered to mobile devices mwomac 2. An alternate strategy to summing the fiveitem responses when. The western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. The cronbachs alphas of the womac and lequesne subscales were ranged 0. Clinicians and researchers interested in obtaining a copy of the instrument and user guide should visit the womac website for information about licensing and. Behavioral rating scale the behavioral pain assessment scale is designed for use with nonverbal patients unable to provide selfreports of pain. The use and reporting of womac for the assessment of. Womac scale scores indicate that patients are of moderate severity on average at baseline, as expected from a hospital recruited cohort. If you are unsure about how to answer a question, please give the best answer you can. The womac scale was designed to measure dysfunction and pain associated with oa of the lower extremities by assessing 17 functional activities. Summary of basic reporting of womac pain subscale and womac index.
Responsiveness of the electronic touch screen womac 3. Validation of a proposed womac short form for patients. Our examination of the factorial structure of the womac pain scale failed to support a single factor and internal consistency analysis yielded a coefficient less than optimal for individual patient use. Development and testing of a reduced womac function scale. There was not a significant difference between the original english womac and the translated transcript from persian womac index. The following questions concern the amount of pain you are currently experiencing in your knees.
The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from treatment. We adapted the womac for the italian language and tested its metric properties in 304 patients with symptomatic oa of the knee. Construct validity was tested by correlating the womac or lequesne with each other, and also with sf36 and visual analog scale vas. However, there is relatively little evidence to support the use of the visual analogue scale vas version of the scale. Request further information please complete the following form to request further information. Western ontario and mcmaster universities osteooarthritis. The diseasespecific questionnaire, western ontario and mcmaster universities osteoarthritis index womac, is the most widely used instrument to evaluate symptomatology and function in patients with hip or knee osteoarthritis oa 15. Validity construct validity examines how well a score measure what is expected to measure.
Womac also has the additional advantage of being validated for use in multiple formats. Knee injury and osteoarthritis outcome score koos, english version lk1. Koos was developed for younger andor more active patients with knee injury and knee. The western ontario and mcmaster universities womac osteoarthritis index is a selfadministered validated questionnaire for patients with osteoarthritis oa of the hip or knee. The electronic touch screen version of the womac ewomac has been previously shown to be highly correlated with the original paper format. Download fulltext pdf download fulltext pdf validation of a proposed womac short form for patient with hip osteoarthritis article pdf available. Womac is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms. Womac oa index17,18, which is recommended by the outcome measures in rheumatoid arthritis clinical trials omeract19,20.
The womac index is a diseasespecific, tridimensional self administered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. Please answer every question, based on your condition in the last week. The womac questionnaire and the sf36 were administered to a sample of 269 patients on the waiting list for hip or knee replacement. Reliability and validity of the western ontario and. Responsiveness was greater for the reduced scale full 1. We aimed to explore the internal validity and responsiveness of this vas version of the womac.
Scale scores are calculated which range from 0 best score to 10 worst score. Rate each of the 5 measurement categories 0, 1, or 2. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. The number of different score ranges was high and only 39% of trials used the standard 096, or 02400 or 0240 ranges. Standardized response mean for womac total scale at 12 weeks 7. Acceptability, reliability, validity and responsiveness of. Additionally, a reduced sevenpoint womac scale has. These details will be sent to dr bellamy who will respond to your request in due course. Clinician researchers american college of rheumatology.
Western ontario and mcmaster universities osteoarthritis. At the end, we compared the original form with backward translated paper. Moderate standardized effect size for womac total scale from baseline to 12 weeks 0. Please rate the activities in each category according to the following scale of difficulty. There are multiple versions of the aims2, such as the aims2sf. A simple visual analog scale for pain is as responsive as. The aim of this study was to validate a translated version of the western ontario and mcmaster universities osteoarthritis index womac questionnaire in spanish patients with hip or knee osteoarthritis oa. Disabilities of the arm, shoulder and hand dash instructions this questionnaire asks about your symptoms as well as your ability to perform certain activities.
Mcmaster osteoarthritis index womac please circle the. The reduced scale was derived using the advice of clinical experts as well as analysis of data. The knee injury and osteoarthritis outcome score koos is an extension of the western ontario and mcmaster universities osteoarthrtis index womac, the most commonly used outcome instrument for assessment of patientrelevant treatment effects in osteoarthritis. For each situation, please enter the amount of pain you have experienced in the past 48 hours. In a small number of cases the score range specified was not interpretable. Treatment of advanced stage gonarthrosis with prolotherapy. Functional activity score this is an activityrelated score. In sections a, b, and c, questions will be asked about your hip or knee pain. Little is known about the comparative performance of patientreported outcome. Please refer to the table before calling night owl technical support. To evaluate the acceptability, reliability, validity and responsiveness of the turkish version of western ontario and mcmaster universities womac osteoarthritis oa index in physiotherapy outpatient practice in turkey. This case report aims to discuss the clinical and radiological outcomes of prolotherapy at a patient whom to total knee prosthesis had been planned but surgery couldnt be performed due to comorbidities. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure.
Womac produces one aggregate total score and scores for each of the subscales, with a higher score for each subscale indicating a worse condition. The measure was developed to evaluate clinically important, patient. The womac pain and physical functioning subscales satisfied unidimensionality and ordinal scaling tests, and the ability to transform to an interval scale. Validation studies reliability, validity, responsiveness orthopaedic validation study.
Validity, reliability, and comparison of the womac. The womac has been translated into 80 languages and the australian version 3. The knee injury and osteoarthritis outcome score koos is a questionnaire designed to assess short and. The western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. This article is from anesthesiology and pain medicine, volume 4. The womac measures five items for pain score range 020two for stiffness score range 08and 17 for functional limitation score range 0 the questionnaire has been applied previously in order to measure functional recovery of patients who had undergone primary hip or knee arthroplasty 6. Download fulltext pdf download fulltext pdf validation of a proposed womac short form for patient with hip osteoarthritis article pdf available in health and quality of life outcomes 975.
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