The incredible ibex defies gravity and climbs a dam forces of nature with brian cox bbc duration. To illustrate the application of the sem, consider a patient who at the initial assessment reports a womac pain score of 1020, and at a subsequent assessment a score of 620. The womac index is a diseasespecific, tridimensional self administered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. Womac into arabic and to validate the arabic version of the index for tunisian patients with knee oa. Hip disability and osteoarthritis outcome score physiopedia objective the. This selfreport outcome instrument is available in english, german, french and persian. Construct validity of a 12item womac for assessment of femoro.
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 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. Modelling the relationship between the womac osteoarthritis. A selfadministered questionnaire consisting of a german version of the womac with items for pain 5 items, physical function 17 items and stiffness 2 items. 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. Western ontario mcmaster university osteoarthritis index rheumatology an arthritic pain scoring system ranging from 0no paindisability to 100most severe paindisability. Rasch analysis of the western ontario macmaster questionnaire. The following questions concern the amount of pain you are currently experiencing in your knees. Predictive values of womac, koos, and sf12 score for knee. Womac is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. The measure was developed to evaluate clinically important, patient. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. The reduced womac function scale provides an alternative which will limit the number of missing values, and hence the number of invalid womac scores. Mcmaster osteoarthritis index womac please circle the.
A model to estimate health utilities index mark 3 utility. Sep 21, 2011 the womac has been translated into spanish and validated in spain 810. 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. Less than two per cent of patients have scores greater than 150. Very high correlations were also obtained between womac scores and lequesne oa algofunctional index.
Two componentssymptom level based on the womac osteoarthritis index. Womac is an unincorporated community in macoupin county, in the u. The western ontario and mcmaster universities osteoarthritis index womac name. Womac western ontario and mcmaster universities arthritis. Feb 04, 2011 the incredible ibex defies gravity and climbs a dam forces of nature with brian cox bbc duration.
The womac oa indexis a selfadministered composite questionnaire with a threedimensional measure of pain, joint. To develop a formula to translate western ontario and mcmaster university osteoarthritis index womac scores collected in clinical trials of patients with osteoarthritis oa into health utilities index mark 3 hui3 utility scores for application in economic evaluation. Clinically important improvement in the womac and predictor. Validation of a proposed womac short form for patients. Translation, adaptation and validation of the western ontario and. I have tried to claculate the composite score from the three subscales.
Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Pdf validation of the shortform womac function scale. 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. As their names say, ceiling effect is highest possible score and floor effect is the opposite side. Womac score definition of womac score by medical dictionary. 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. Please rate the activities in each category according to the following. Wed like to understand how you use our websites in order to improve them. Developed over 20 years ago, womac has been revised multiple times to its most current version, 3. For each situation, please enter the amount of pain you have experienced in the past 48 hours. Western ontario and mcmaster universities osteoarthritis.
The use and reporting of womac for the assessment of. The womac measures five items for pain score range 020, two for stiffness score range 08, and 17 for functional limitation score range 068. The western ontario and mcmaster universities arthritis index womac is. Since its conception, the womac has undergone several revisions and modifications, with the latest version womac 3. 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. However, such outcomes are often missing from studies of clinical effectiveness. Twenty one per cent have scores less than 25 see fig 1. A retrospective cohort consisting of 2589 patients undergoing a primary tka were identified from an established arthroplasty database.
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. Patient demographics, western ontario and mcmaster universities osteoarthritis index womac, and short form sf 12 scores were collected preoperatively and 1 year postoperatively. The current womac survey is comprised of 24 items divided into three subscales. 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. 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. For these indexes, the proportion of answer frequencies with the lowest possible score in. Evaluation of a german version of the womac osteoarthritis index. A post office called womac was established in 1888, and remained in operation until it was discontinued in 1910. Translation, adaptation and validation of the western ontario. Western ontario and mcmaster universities arthritis index. 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. Download pdf, 48kb the auscan index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in. Womac osteoarthritis index in italian patients with osteoarthritis of.
Western ontario and mcmaster universities osteooarthritis. 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. Validation studies reliability, validity, responsiveness orthopaedic validation study. Translation, adaptation and validation of the western. Plot of severity in logits versus womac functional score for oa. Information and translations of womac in the most comprehensive dictionary definitions resource on the web. In 1988, bellamy and coworkers 3 first published the womac, a 24item, conditionspecific questionnaire to be used for hip and knee osteoarthritis. Data from a previously published openlabel randomized controlled trial of appropriate care with hylan. The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from. Economic evaluation typically is conducted using health state utilities to estimate treatment benefits.
Validation of a proposed womac short form for patients with. The womac function score is linear over the range of 25150 equivalent range on 010 scale is 1. Looking for online definition of womac or what womac stands for. Pain was measured using a variety of scales, with womac pain scores. The womac oa indexis a selfadministered composite questionnaire with a. Pdf comparison of the western ontario and mcmaster. Bellamy n, buchanan ww, goldsmith ch, campbell j, stitt lw. 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. Patient relevant, diseasespecific, patient selfcompleted, flexible delivery, multiple language forms. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd.
Materials and methods the scale the womac oaindex9 is a selfadministered composite. Theiler r, bischoffferrari ha, good m and bellamy n. Pdf on jul 1, 2005, pankaj jogi and others published comparison of the western ontario and mcmaster universities osteoarthritis index womac and the lower extremity functional scale lefs. 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. Excluding patients whose treatments failed, the mean improvement in the 20point womac pain score and the 68point womac function score was 4. 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. Pain 5 items, stiffness 2 items, and physical function 17 items. Pdf validation of the shortform womac function scale for. 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.
We expect that the translated and adapted version should suit other arab populations because of their similar language and culture. Suda m womac swafford 03 mar 1912 05 jul 2008 mcminn co. Patients are asked a range of questions about their ability to carry out daily activities such. Since its development in 1982, the womac index has undergone several revisions and modifications. Examination of discriminant validity showed that the scores on the womac and sf36. The koos qol score showed the highest predictive value with an auc of 0. Western ontario and mcmaster university osteoarthritis index. Responsiveness of the electronic touch screen womac 3. The following is the table of contents from the womac 3.
Information and translations of womac in the most comprehensive dictionary definitions resource on. The index is selfadministered and assesses the three dimensions of pain, disability and joint stiffness in knee and hip osteoarthritis using a. The western ontario and mcmaster universities osteoarthritis. We translated the original womac questionnaire into persian by the forward and backward technique, and then its psychometric study was done on 169. Reporting of the exact method used in administering the womac pain subscale scoring was poor in many cases. Increased efficacy of collagen hydrolysate versus a placebo was observed in german sites, and in the overall study population among patients. Modelling the relationship between the womac osteoarthritis index. Pdf validation of the shortform womac function scale for the. What womac pain score should make a patient eligible for a.
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