Womac appears to have very few significant considerations and has excellent usability. Osteoarthritis of the knee is the most common chronic joint disease that involves middle aged and elderly persons. It is also relatively short when compared to other pro measure. We expect that the translated and adapted version should suit other arab populations because of their similar language and culture.
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. What links here related changes upload file special pages permanent link page. Transformed scale 100 actual raw score x 100 maximum score womac subscores original score sum of the following items maximum score. Summary of clinical outcome measures for sportsrelated knee injuries. Modelling the relationship between the womac osteoarthritis. Mar 14, 2014 the womac function subscale model performed similarly to the total score model. In our study, we found the same result of mcid using roc curve by correlating womac scores to an external question. Mcmaster universities and a selfadministered questionnaireformat of the. The womac westren ontario and mcmaster universities index is used to assess patients. 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. 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 western ontario and mcmaster universities osteoarthritis index womac is a widely used. 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. Women tended to report higher womac score than men, but this was significant only for the womac pain score women.
The reduced womac function scale provides an alternative which will limit the number of missing values, and hence the number of invalid womac scores. Translation, adaptation and validation of the western. A post office called womac was established in 1888, and remained in operation until it was discontinued in 1910. Western ontario and mcmaster university osteoarthritis index. The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from. An extension of the western ontario and mcmaster universities osteoarthritis index. This scoring direction, 100 indicating no problems, is common in orthopaedic instruments and generic measures like the sf36. 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. Validation of a proposed womac short form for patients with. 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 models functioned best at the midrange of aqol scores, with greater bias observed for extreme scores. Reporting of the exact method used in administering the womac pain subscale scoring was poor in many cases. The score is a percentage score from 0 to 100, with 0 representing extreme problems and 100 representing no problems. 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.
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. To get original womac scores, sum the item scores for each subscale. The womac measures five items for pain score range 020, two for stiffness score range 08, and 17 for functional limitation score range 068. In measures developed by rheumatologists, like the womac, 100 usually represents the worst possible. Acceptability, reliability, validity and responsiveness of. A measure of intermittent and constant osteoarthritis pain, icoap. Summary of clinical outcome measures for sportsrelated. Examination of discriminant validity showed that the scores on the womac and sf36 followed hypothesized patterns. Materials and methods the scale the womac oaindex9 is a selfadministered composite.
Womac score definition of womac score by medical dictionary. Womac, eq5d and knee society score thresholds for treatment success after total knee arthroplasty johannes m. 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. Looking for online definition of womac or what womac stands for. The womac measures five items for pain score range 020, two for stiffness. The western ontario and mcmaster universities osteoarthritis index.
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. If you are unsure about how to answer a question, please give the best answer you can. 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. Research open access modelling the relationship between. The womac has been translated into german, swedish, and. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. Bellamy n, buchanan ww, goldsmith ch, campbell j, stitt lw. Western ontario and mcmaster universities osteoarthritis. Mcmaster osteoarthritis index womac please circle the. Data were obtained from 72 patients with oa of the knee. Inaccuracies in individuallevel estimates and lowhigh healthrelated quality of life hrqol subgroup estimates were evident. Orthopaedic scores website to help clinicians and patients to gauge progress of the healing of certain treatments. 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. Hip disability and osteoarthritis outcome score womac.
Research open access modelling the relationship between the womac osteoarthritis index and eq5d allan wailoo1, monica hernandez alava1 and antonio escobar martinez2 abstract objective. Womac is an unincorporated community in macoupin county, in the u. This questionnaire is actually an extended version of womac. Developed over 20 years ago, womac has been revised multiple times to its most current version, 3. Mar 12, 2014 economic evaluation typically is conducted using health state utilities to estimate treatment benefits. Information and translations of womac in the most comprehensive dictionary definitions resource on the web. Womac and aqol data were analysed from 219 people recruited for a national populationbased study. Validation studies reliability, validity, responsiveness orthopaedic validation study. 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.
Pain 5 items, stiffness 2 items, and physical function 17 items. The proportion of trials, for which assumptions had to be made in order to reach a conclusion regarding the type of scale and the score range used, was calculated. Using womac index scores and personal characteristics to. 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.
Alternatively a visual analogue scale vas may be used ranging from 0 to 10. 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. The modified 22item thai womac index had convergent validity to the algofunctional. Afrikaans, spain, sweden, switzerland german, switzerland italian, switzerland. Patients are asked a range of questions about their ability to carry out daily activities such.
We adapted the womac for the italian language and tested its metric properties in 304 patients with symptomatic oa of the knee. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Therefore, change scores can be compared only among studies using the same scale format. 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.
Pdf validation of a modified thai version of the western ontario. The following is the table of contents from the womac 3. For each situation, please enter the amount of pain you have experienced in the past 48 hours. Reliability and validity of the western ontario and. Request further information please complete the following form to request further information.
Does parallel item content on womacs pain and function. 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. Selfreported outcomes of patients undergoing total hip. The use and reporting of womac for the assessment of. 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. 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. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd.
The current womac survey is comprised of 24 items divided into three subscales. Hip disability and osteoarthritis outcome score hoos. I have applied for a licence to use the womac, osteoarthritis questionnaire, and have had no reply from 2 weeks, can anyone helpadvise. The final score for the womac was determined by adding the aggregate scores for pain, stiffness, and function. Western ontario mcmaster university osteoarthritis index rheumatology an arthritic pain scoring system ranging from 0no paindisability to 100most severe paindisability. A 40 item questionnaire hip disability and osteoarthritis outcome score, hoos. Reliability and validity of the western ontario and mcmaster. Summary of clinical outcome measures for sportsrelated knee. The likert version of the womac is rated on an ordinal scale of 0 to 4. The western ontario and mcmaster universities osteoarthritis.
The womac index is a diseasespecific, tridimensional self administered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. To compare the metric properties and validity of german versions of the. The lowest accuracy was observed for the womac stiffness scale auc 0. Please enter your personal details first name, last name, and email address are required. The highest accuracy for predicting treatment success at 2 months was found for the womac pain score auc 0.
Western ontario and mcmaster universities arthritis index. Womac is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. A 40 item questionnaire hip disability and osteoarthritis. If you prefer percentage scores in accordance with the koos, use the formula provided below to convert the original womac scores. 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. Hip disability and osteoarthritis outcome score physiopedia objective the hip. Economic evaluation typically is conducted using health state utilities to estimate treatment benefits. Womac into arabic and to validate the arabic version of the index for tunisian patients with knee oa. Validation of a proposed womac short form for patients. Scores range from 0 to 96 for the total womac where 0 represents the best health status and 96 the worst possible status. However, such outcomes are often missing from studies of clinical effectiveness. 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. Sep 21, 2011 the womac has been translated into spanish and validated in spain 810.
Comparison of the womac western ontario and mcmaster. The knee injury and osteoarthritis outcome score koos. Clinically important improvement in the womac and predictor. A measure of intermittent and constant osteoarthritis pain. Translation, adaptation and validation of the western ontario. In sections a, b, and c, questions will be asked about your hip or knee pain. Koos faqs knee injury and osteoarthritis outcome score. 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.
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. 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. Information and translations of womac in the most comprehensive dictionary definitions resource on. 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. 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. 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 following questions concern the amount of pain you are currently experiencing in your knees. People have told us that they experience different kinds of pain including aching or discomfort in their knee. 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. Pain was measured using a variety of scales, with womac pain scores. These details will be sent to dr bellamy who will respond to your request in due course.
Also, womac pain score, but not womac stiffness and physical function scores was inversely correlated with years of formal education. The western ontario and mcmaster universities arthritis index womac is. I have applied for a licence to use the womac, osteoarthritis. 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.
719 191 1154 969 1376 1017 552 1391 192 1345 1438 407 339 830 1242 750 239 1384 398 518 16 1436 221 171 354 848 1111 772 841 422 383 1405 1005 1187 527 128 957 204 877 730 790 290 264 503 774 1268 1030 495 340 1360 1208