Please answer each question by checking the one statement that best describes you over the last 1 to 2 days. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. The womac is a widely used selfadministered health status measure used in assessing pain, stiffness, and function in patients with oa of the hip or knee. The five point likert version9 of the womac was used. The utility of outcome measures in total knee replacement surgery.
As the womac is a specific outcome measure for patients with hip osteoarthritis, it was considered to be the standard scale for comparison purposes. Knee injury and osteoarthritis outcome score koos patient. The womac has also been used to assess back pain, rheumatoid arthritis, juvenile rheumatoid arthritis, systemic lupus. In the field of osteoarthritis research the western ontario and mcmaster university osteoarthris index womac was developed as an osteoarthritis specific measure of disability. Guermazi et al found that when the womac was translated into arabic from english, eight questions of the physical function subscale had insufficient. Womac pain questions activities in order of affirmation as the pain score increased from 0. Struttura concettuale dei questionari e delle scale di valutazione della qualita della vita. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. Translation, adaptation and validation of the western ontario. Randomized controlled trials strand and kelman 25 responses to treatment and diseas e activity, a mean score of all individual endpoints, and total womac. Listing a study does not mean it has been evaluated by the u. In sections a, b, and c, questions will be asked about your hip or knee pain. In 1994 a consensus meeting recommended the use of womac as a primary measure of efficacy in oa.
Womac hip score in children and adolescents with perthes. Preliminary psychometric testing suggests this oa pain measure is reliable and valid. Summary of clinical outcome measures for sportsrelated knee. Oct 31, 20 womac scores can also be derived from the koos. Measuring function in medicare population how should we measure outcomes. Choice of recall period for patientreported outcome. Beynnon, phd 0 utcomes following injury of ligaments or menisci of the knee have usually been evaluated in terms of. Lower extremityspecific measures of disability and. The womac is a diseasespecific selfreport multidimensional questionnaire assessing pain, stiffness, and physical functional disability 17 x 17 bellamy, n, watson buchanan, w, goldsmith, c.
Stefan lohmander, md, phd charlotte ekdahl, phd, pt bruce d. Womac comprises 24 questions covering the dimensions of pain, stiffness and physical functioning. However, there is relatively little evidence to support the use of the visual analogue scale vas version of the scale. Extended report satisfactory cross cultural equivalence of.
Omeract outcome measures in rheumatology is an independent initiative of international health professionals interested in outcome measures in rheumatology. The womac is currently the only outcome measure that has validated responder definitions and cutoff points specifically for tkr. Current status, challenges, and future directions mohamad j. 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. All authors were involved in drafting the article or revising. The testretest reliability of physical performance. Validity, reliability, and comparison of the womac. Using womac scores to predict individual aqol utility scores is not recommended and the models may produce inaccurate estimates in studies targeting patients with lowhigh hrqol. One commonly used measure in osteoarthritis is the western ontario and mcmaster universities osteoarthritis index womac 6. Where pain and stiffness data are unavailable, the womac function subscale can be used to generate a reasonable utility estimate. Validity refers to comparison of the current test with formerly standardized test.
The western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. The patientreported outcomes measurement information system. We aimed to explore the internal validity and responsiveness of this vas version of the womac. The womac has also demonstrated construct validity when compared with other measures including joint range of motion, gait tests, and the medical outcomes study 36item short form sf36. The likert version of the womac is rated on an ordinal scale of 0 to 4, with lower scores indicating lower levels of. 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. Mcmaster osteoarthritis index womac please circle the. The following questions concern the amount of pain you are currently experiencing in your knees. The 92% of knees that were not considered treatment failures experienced statistically significant changes in womac pain and function scores from baseline to followup that exceeded the definition of minimal clinically important difference table 74. The womac measure has been used for decades 57 and is one of the most commonly used outcome measures in hip and knee osteoarthritis. The responsiveness of the womac has been documented across a number of research settings, including an australian study which showed the measure was highly. 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. Please rate the activities in each category according to the following scale of difficulty. Data were obtained from 72 patients with oa of the knee.
For the purposes of metaanalysis and network metaanalysis, the use of standard outcome measures is ideal. If you are unsure about how to answer a question, please give the best answer you can. Testretest reliability of the womac and lequesne subscales yielded iccs of 0. Selfreported outcomes of patients undergoing total hip. Womac is a disease specific instrument that measures the domains of pain. The womac is a selfreport functional status measure which professes to assess three health concepts, pain, stiffness, and physical functional3. A short video on how to calibrate and then measure pdf construction drawings. Validation studies reliability, validity, responsiveness. The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from treatment interventions. This is a pdf file of an unedited manuscript that has. Bellamy n, buchanan ww, goldsmith ch, campbell j, stitt lw. Western ontario and mcmaster universities osteoarthritis. Validation of a proposed womac short form for patients. Reliability and validity of the western ontario and.
Hip disability and osteoarthritis outcome score womac. With special importance on functional outcome measures article pdf available. Reliability and validity of the western ontario and mcmaster. We examined the agreement between the scales measuring the same type of outcome pain or physical function using the blandaltman method. Clinician researchers american college of rheumatology. As part of the oarsiomeract initiative, a new 11 item tool, the measure of intermittent and constant osteoarthritis pain icoap, designed to assess pain in patients with hip or knee oa has been developed.
At the 3month and 6month followup assessments, the womac was administered through telephone interviews. Oxford knee score and womac have excellent reliability. The womac measures five items for pain score range 020, two for stiffness score range 08, and 17 for functional limitation score range 068. These details will be sent to dr bellamy who will respond to your request in due course. The following questionnaire is designed to determine the symptoms and limitations that you experience because of your knee while you perform your usual daily activities. 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. It is a valid, reliable and responsive measure of outcome, and has been used in diverse clinical and interventional environments. Hip disability and osteoarthritis outcome score hoos. Choong e university of melbourne, department of surgery, saint vincent s hospital,victoria parade. Womac is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms.
Marx was developed in 2001 as an patientreported outcome measure with the goal of finding a patients general level of activity. Recommendations for a core set of outcome measures for future. The utility of outcome measures in total knee replacement surgery michellem. The following are some of the more common outcomes used in clinical research. Analogue scale, the pain drawing and the mcgill pain. Index womac pain subscale score at screening on a 0100 mm vas scale. Womac and lequesne showed moderategood correlations between comparable subscales of sf36 physical functioning and bodily pain and weakmoderate correlations between vas. Summary of clinical outcome measures for sportsrelated knee injuries. Request further information please complete the following form to request further information. The aims2 is a revision of the aims,20 a widely used, well tested, and highly recommended outcome measure for arthritis research. Scale di valutazione e malattie reumatiche fausto salaffi e andrea. Patientreported outcomes validated in oa include global.
When autoplay is enabled, a suggested video will automatically play next. Outcome measures used in patient with knee osteoarthritis. An important aspect of the utility of any outcome measure is the availability of responder definitions and cutoff points and that these are appropriately validated. Minimal clinically important improvement mcii and patient. We expect that the translated and adapted version should suit other arab populations because of their similar language and culture. The womac questionnaire was administered through facetoface interviews at baseline and at hospital discharge. Womac western ontario and mcmaster universities osteoarthritis index. This varies, however, for different subscales and types of interventions. The womac scale was designed to measure dysfunction and pain associated with oa of the lower extremities by assessing 17 functional activities. Over the last 20 years, omeract has served a critical role in the development and validation of clinical and radiographic outcome measures in few rheumatic diseases.
At outcome measures in rheumatoid arthritis clinical trials iii, pain, physical function, patients global rating, and imaging tests were identified as core outcomes for patients with osteoarthritis 11. The womac is a multidimensional selfadministered outcome measure. Toward a clinical definition of early osteoarthritis. A comparative study of the relative efficiency of the womac, aims and haq instruments in evaluating the outcome of total knee arthroplasty. 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. Download pdf, 48kb the auscan index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in. Available data can inform treatment decisions when statistically significant changes are viewed in terms of clinically important improvements. Clinically important improvement in the womac and predictor. Development and validation of a patientcentered outcome measure for young adults with pediatric hip conditions. The testretest reliability of physical performance measures in osteoarthritis patients research aper consistent between the two visits the time to stand from sitting varied from 1 s for the fastest subject visit to 15 s for the slowest subject visit. It was designed to provide a standardised assessment of selfreported health status while incorporating activities relevant to patients. Full text development and validation of a patientcentered.
The following is the table of contents from the auscan 3. Use of the womac questionnaire in mumbai and the challenges. 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. Measure square tutorial plan import, scale setup and verification duration. From then on, click on the points and corners of the areas and dimensions. Modelling the relationship between the womac osteoarthritis. Problems persist in reporting of methods and results for the womac. Below are the links to the authors original submitted files for images. Trials that used the womac outcome were examined for correct use and clear reporting of the womac pain subscale and the womac index. Patient reported measures of physical function in knee osteoarthritis.
Tom minas md, ms, in a primer in cartilage repair and joint preservation of the knee, 2011. Womac into arabic and to validate the arabic version of the index for tunisian patients with knee oa. As this is a new instrument and further testing is ongoing, please contact the. Pdf for the purposes of metaanalysis and network metaanalysis, the use of standard. Development and preliminary psychometric testing of a new. This information will assist clinicians and researchers in making informed decisions about the appropriateness of the womac as an outcome measure for given situations.
Performancebased outcomes o tug, sct, 6mw perceptionbased questionnaires o kos, womac, oswestry clinical metrics o strength, range of motion, symptoms stiffness, pain, instability types of outcome measures selfreport or perceptionbased measures. Pdf the use and reporting of womac in the assessment of the. An extension of the western ontario and mcmaster universities osteoarthritis index. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. Calibrate the pdf by clicking on either end of a known measurement and type in the distance, this will scale the drawing. Using womac index scores and personal characteristics to. Acceptability, reliability, validity and responsiveness of.
Sep 01, 2009 the womac was developed in the early 1980s as a diseasespecific measure for hip and knee osteoarthritis bellamy 2009. A oneway analysis of variance was carried out in three womac dimensions. Economic evaluation typically is conducted using health state utilities to estimate treatment benefits. Koos was developed for younger andor more active patients with knee injury and knee osteoarthritis and has in previous studies on.
Womac oa index17,18, which is recommended by the outcome measures in rheumatoid arthritis clinical trials omeract19,20. Bellamy n, buchanan w, goldsmith ch, campbell j, stitt l. The womac has also been used to assess back pain, rheumatoid arthritis, juvenile rheumatoid arthritis, systemic lupus erythematosus, and fibromyalgia. All you need is the scale of the drawing andor one reference measurement.
Apr 30, 2010 the western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. The use and reporting of womac for the assessment of. A health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee. Rehabilitation measures database with more than 400 measures and supported by some of the worlds best doctors, clinicians, therapists and physical medicine and rehabilitation researchers, the rehabilitation measure database rmd is the goto resource for benchmarks and outcomes. 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. Summary of clinical outcome measures for sportsrelated. Pdf womacpf as a measure of physical function in patients with. Demonstrates hypothesized relationships to other similar measures and to measures of general physical and emotional function demonstrates hypothesized relationships to other similar measures and to measures of general physical and emotional function internal consistency. A simple visual analog scale for pain is as responsive as the. Validationstudy of womac a healthstatus instrument for measuring clinically important patient relevant outcomes to antirheumatic drug.
Description of the womac the womac evaluates 3 dimensions. When pooling data or drawing inferences from a number. In oa research, the womac was developed as an oaspecific measure of disability. Womac has been used extensively in research studies, undergone rigorous psychometric validation, and is frequently utilized in many clinical trials. Validity construct validity examines how well a score measure what is expected to measure. Accepted outcome measures in randomized controlled trials rcts in osteoarthritis oa include patientreported assessments of physical function and healthrelated quality of life hrqol. One of the most widely reported outcome measures in knee and hip osteoarthritis is the western ontario and mcmaster universities osteoarthritis index womac 1. However, such outcomes are often missing from studies of clinical effectiveness. Quickscale is for taking measurements and areas off pdf and dwg drawings. Materials and methods the scale the womac oaindex9 is a selfadministered composite. It is a selfadministered questionnaire consisting of 24 items divided into 3 subscales. Western ontario and mcmaster universities osteooarthritis.
Knee injury and osteoarthritis outcome score 00development of a selfadministered outcome measure ewa m. If the minimal clinically important difference for an outcome measure is 15 points and a patient records a 10point change in that measure. Mar 12, 2014 economic evaluation typically is conducted using health state utilities to estimate treatment benefits. 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. A popular patientreported outcome measure prom used for evaluation with hip and knee osteoarthritis is the western ontario and mcmaster universities osteoarthritis index womac. Jun 10, 2016 womac hip score in children and adolescents with perthes disease womac the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. The utility of outcome measures in total knee replacement. For each situation, please enter the amount of pain you have experienced in the past 48 hours. Knee injury and osteoarthritis outcome score koos validation and comparison to the womac in total knee replacement. Review article the utility of outcome measures in total. 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. Knee outcome survey activities of daily living scale instructions.
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