Please enter your personal details first name, last name, and email address are required. If you prefer percentage scores in accordance with the koos, use the formula provided below to convert the original womac scores. Although the western ontario and mcmaster university osteoarthritis index womac is considered the leading outcome measure for patients with osteoarthritis of the lower extremity, recent work has challenged its factorial validity and the physical function subscales ability to detect valid change when pain and function display different profiles of change. There are different clinical instruments to quantify the health status of patients with knee osteoarthritis and one example is the womac score that has been translated and adapted into different languages. We adapted the womac for the italian language and tested its metric properties in 304 patients with symptomatic oa of the knee.
The likert version of the womac is rated on an ordinal scale of 0 to 4. Hip disability and osteoarthritis outcome score physiopedia objective the hip. Womac is an unincorporated community in macoupin county, in the u. Hip disability and osteoarthritis outcome score hoos. Pdf validation of a modified thai version of the western ontario. Modelling the relationship between the womac osteoarthritis. Womac, eq5d and knee society score thresholds for treatment success after total knee arthroplasty johannes m. Scoresrange from 0 least pain to 20 highest pain for pain, 0 least stiffness to 8 greatest stiffness for stiffness, 0 best function to 68 worst function for function, and 0 best health to 96 worst health for the total score. Scores range from 0 to 96 for the total womac where 0 represents the best health status and 96 the worst possible status.
Information and translations of womac in the most comprehensive dictionary definitions resource on. Usually a sum of the scores for all three subscales gives a total womac score, however there are other methods that have been used to combine scores. If you are unsure about how to answer a question, please give the best answer you can. Information and translations of womac in the most comprehensive dictionary definitions resource on the web. Alternatively a visual analogue scale vas may be used ranging from 0 to 10. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. What links here related changes upload file special pages permanent link page. Sep 21, 2011 the womac has been translated into spanish and validated in spain 810. These details will be sent to dr bellamy who will respond to your request in due course. The scores for each subscale are summed up, with a possible score range of 020 for pain, 08 for stiffness, and 068 for physical function. 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.
The final score for the womac was determined by adding the aggregate scores for pain, stiffness, and function. Orthopaedic scores website to help clinicians and patients to gauge progress of the healing of certain treatments. The following questions concern the amount of pain you are currently experiencing in your knees. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. Research open access modelling the relationship between the womac osteoarthritis index and eq5d allan wailoo1, monica hernandez alava1 and antonio escobar martinez2 abstract objective. The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from.
The knee injury and osteoarthritis outcome score koos. Validation of a proposed womac short form for patients. Translation, adaptation and validation of the western. Research open access modelling the relationship between. The final scores for the long and short womac versions were determined by adding the aggregate scores for pain and function separately, and standardizing them to a range of values from 0 to 100, with 0 representing the best health status possible and 100 the worst.
Reporting of the exact method used in administering the womac pain subscale scoring was poor in many cases. A measure of intermittent and constant osteoarthritis pain. To get original womac scores, sum the item scores for each subscale. 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. In the present study, the mean values of the scores for each subscale 04 and the total score were used, since there were missing data that would affect the interpretation of the sum of the scores. Bellamy n, buchanan ww, goldsmith ch, campbell j, stitt lw. Translation, adaptation and validation of the western ontario.
Comparison of the womac western ontario and mcmaster. Clinically important improvement in the womac and predictor. A score derived from a questionnaire in which the patient answers questions regarding rheumatic symptoms, stiffness, pain and how it affects the ability to function. May 30, 2003 the aim of the study was to evaluate if physical functions usually associated with a younger population were of importance for an older population, and to construct an outcome measure for hip osteoarthritis with improved responsiveness compared to the western ontario mcmaster osteoarthritis score womac lk 3. Mar 12, 2014 economic evaluation typically is conducted using health state utilities to estimate treatment benefits. In our study, we found the same result of mcid using roc curve by correlating womac scores to an external question. Materials and methods the scale the womac oaindex9 is a selfadministered composite. Examination of discriminant validity showed that the scores on the womac and sf36 followed hypothesized patterns. Summary of clinical outcome measures for sportsrelated knee. Mcmaster universities and a selfadministered questionnaireformat of the. In 21 of 60 trials, deciding whether a likert scale or vas was used had to be deduced from other information given in the paperusually the score range or the actual baseline or followup data. Each domain can be scored separately and the total score of the questionnaire ranges from 0 to 96, for which 0 is the best and 96 is the worst score.
The current womac survey is comprised of 24 items divided into three subscales. A 40 item questionnaire hip disability and osteoarthritis. The western ontario and mcmaster universities osteoarthritis index. Does parallel item content on womacs pain and function. This approach would be reasonable provided the results from a factor analysis produced a single factor and the set of items displayed a high degree of internal consistency.
Pain 5 items, stiffness 2 items, and physical function 17 items. Koos faqs knee injury and osteoarthritis outcome score. Developed over 20 years ago, womac has been revised multiple times to its most current version, 3. The womac index is a diseasespecific, tridimensional self administered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. The womac measures five items for pain score range 020, two for stiffness score range 08, and 17 for functional limitation score range 068. This scoring direction, 100 indicating no problems, is common in orthopaedic instruments and generic measures like the sf36. A measure of intermittent and constant osteoarthritis pain, icoap. To determine whether assessment of quality of life aqol utility scores can be reliably estimated from western ontario and mcmaster universities osteoarthritis index womac scores in people with hip and knee joint disease arthritis or osteoarthritis.
Womac score definition of womac score by medical dictionary. The lowest accuracy was observed for the womac stiffness scale auc 0. Validation of a proposed womac short form for patients with. The western ontario and mcmaster universities osteoarthritis. Patients are asked a range of questions about their ability to carry out daily activities such. Summary of clinical outcome measures for sportsrelated. The womac westren ontario and mcmaster universities index is used to assess patients. 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. Western ontario and mcmaster universities osteoarthritis. A total womac score can also be produced and is commonly transformed to a 0100 scale for ease of interpretation and comparison with other studies. Data were obtained from 72 patients with oa of the knee. This study aims to bridge that gap by providing appropriate methods to link values from the western ontario and mcmaster universities osteoarthritis index womac to the eq5d utility instrument.
The reduced womac function scale provides an alternative which will limit the number of missing values, and hence the number of invalid womac scores. Inaccuracies in individuallevel estimates and lowhigh healthrelated quality of life hrqol subgroup estimates were evident. In measures developed by rheumatologists, like the womac, 100 usually represents the worst possible. The western ontario and mcmaster universities womac osteoarthritis oa index is a tested questionnaire to assess symptoms and physical functional disability in patients with oa of the knee and the hip. The womac has been translated into german, swedish, and. Acceptability, reliability, validity and responsiveness of. Western ontario and mcmaster university osteoarthritis index. Womac 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 patients with osteoarthritis of the knee and hip, including pain, stiffness, and physical functioning of the joints. The user guide contains information on index derivation, specific clinimetric issues, formatting, index presentation, score calculation, statistical issues and provides over 900 relevant references, the majority to previous studies employing the.
Womac appears to have very few significant considerations and has excellent usability. I have applied for a licence to use the womac, osteoarthritis questionnaire, and have had no reply from 2 weeks, can anyone helpadvise. An extension of the western ontario and mcmaster universities osteoarthritis index. The womac pain scale consists of five items conceived to assess a single health concept and a total score is obtained by summing the item responses. This questionnaire is actually an extended version of womac. Womac and aqol data were analysed from 219 people recruited for a national populationbased study. Summary of clinical outcome measures for sportsrelated knee injuries. The score is a percentage score from 0 to 100, with 0 representing extreme problems and 100 representing no problems.
A health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee. The highest accuracy for predicting treatment success at 2 months was found for the womac pain score auc 0. Looking for online definition of womac or what womac stands for. Pain was measured using a variety of scales, with womac pain scores. Request further information please complete the following form to request further information. Hamilton, phd b, bernhard jost, md c, henrik behrend, mdc, karlmeinrad giesinger, msc, md c a department of psychiatry and psychotherapy, medical university of innsbruck, innsbruck, austria b department of orthopaedic surgery, university of edinburgh. We expect that the translated and adapted version should suit other arab populations because of their similar language and culture. In sections a, b, and c, questions will be asked about your hip or knee pain. The western ontario and mcmaster universities arthritis index womac is. The western ontario and mcmaster universities osteoarthritis index womac is a widely used. Womac into arabic and to validate the arabic version of the index for tunisian patients with knee oa.
Western ontario and mcmaster universities arthritis index. The models functioned best at the midrange of aqol scores, with greater bias observed for extreme scores. However, such outcomes are often missing from studies of clinical effectiveness. Validation studies reliability, validity, responsiveness orthopaedic validation study.
People have told us that they experience different kinds of pain including aching or discomfort in their knee. Sep 01, 2009 a total womac score can also be produced and is commonly transformed to a 0100 scale for ease of interpretation and comparison with other studies. The following is the table of contents from the womac 3. This has important implications when considering power studies for smaller studies, and the impact of questionnaire choice on compliance and duplication of data, as well as data completion. A post office called womac was established in 1888, and remained in operation until it was discontinued in 1910. It is also relatively short when compared to other pro measure. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Reliability and validity of the western ontario and. The use and reporting of womac for the assessment of. Its popularity, availability in multiple formats, and easy scoring methodology make it a great choice for the evaluation of patients with hip and knee osteoarthritis. Women tended to report higher womac score than men, but this was significant only for the womac pain score women.
Hip disability and osteoarthritis outcome score womac. For each situation, please enter the amount of pain you have experienced in the past 48 hours. Osteoarthritis of the knee is the most common chronic joint disease that involves middle aged and elderly persons. A 40 item questionnaire hip disability and osteoarthritis outcome score, hoos.
Physical functioning questions cover everyday activities such as stair use, standing up from a sitting or lying position, standing, bending, walking, getting in and out of a car, shopping, putting on or taking off socks, lying in bed. Therefore, change scores can be compared only among studies using the same scale format. I have applied for a licence to use the womac, osteoarthritis. Also, womac pain score, but not womac stiffness and physical function scores was inversely correlated with years of formal education. The womac measures five items for pain score range 020, two for stiffness. Economic evaluation typically is conducted using health state utilities to estimate treatment benefits. The aim of the study was to evaluate if physical functions usually associated with a younger population were of importance for an older population, and to construct an outcome measure for hip osteoarthritis with improved responsiveness compared to the western ontario mcmaster osteoarthritis score womac lk 3. Afrikaans, spain, sweden, switzerland german, switzerland italian, switzerland.