The measure was developed to evaluate clinically important, patient. Koos was developed for younger andor more active patients with knee injury and knee osteoarthritis and has in previous. Background the womac score is a validated outcome measure for use in patients undergoing tka. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. The western ontario and mcmaster universities osteoarthritis index womac is a patientreported outcome measure prom that is widely used to evaluate the pain, stiffness, and physical function. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Hip disability and osteoarthritis outcome score womac. Responsiveness of the womac osteoarthritis index as. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. In sections a, b, and c, questions will be asked about your hip or knee pain. Please rate the activities in each category according to the following scale of difficulty. The womac measure has been used for decades 57 and is one of the most commonly used outcome measures in hip and knee osteoarthritis research 810.
An extension of the western ontario and mcmaster universities osteoarthritis index. The hoos is a selfreport questionnaire designed to further develop the womac. Mcmaster osteoarthritis index womac please circle the. The clinimetric properties of an outcome measure are not fixed but vary among different settings and populations in which the outcome measure is used. For each situation, please enter the amount of pain you have experienced in the past 48 hours. Knee injury and osteoarthritis outcome score koos, english version lk1. Tom minas md, ms, in a primer in cartilage repair and joint preservation of the knee, 2011. The responsiveness of the womac has been documented across a number of research settings, including an australian study which showed the measure was highly.
These details will be sent to dr bellamy who will respond to your request in due course. The 59item selfreported questionnaire measures 12 scales 5 items each for mobility, walking and bending, hand and finger function, arm function, selfcare tasks, household tasks, social activity, support from family and friends, arthritis pain, work. The use and reporting of womac for the assessment of. 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. Reliability and validity of the western ontario and. 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.
Pdf validation of the shortform womac function scale for the. Randomized controlled trials strand and kelman 25 responses to treatment and diseas e activity, a mean score of all individual endpoints, and total womac. Marx was developed in 2001 as an patientreported outcome measure with the goal of finding a patients general level of activity. Knee injury and osteoarthritis outcome score 00development of a selfadministered outcome measure ewa m. It is a selfadministered questionnaire consisting of 24 items divided into 3. Womac hip score in children and adolescents with perthes. Womac has been used extensively in research studies, undergone rigorous psychometric validation, and is frequently utilized in many clinical trials. Womac osteoarthritis index rozina and smith physical therapy. Selfevaluated measurements of any aspect of a patients health status, without interpretation of the patients response by a clinician or anyone else 1 different kinds of questionnaires are used 1 patrick dl et al. The western ontario macmaster womac questionnaire was designed to measure these components by assessing 17 functional activities, five pain related activities, and two stiffness items. Any hesitancy or multiple attempts 0 no hesitancy 1. The womac is currently the only outcome measure that has validated responder definitions and cutoff points specifically for tkr. The western ontario and mcmaster universities womac osteoarthritis index is a previously described selfadministered questionnaire covering.
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. Summary of clinical outcome measures for sportsrelated knee injuries. Trials that used the womac outcome were examined for correct use and clear reporting of the womac pain subscale and the womac index. Patientreported outcomes to support medical product labeling claims. Objective to compare the responsiveness of the conditionspecific western ontario and mcmaster universities osteoarthritis oa index womac and the generic short form36 sf36 in patients with oa of the legs undergoing a comprehensive inpatient rehabilitation intervention. Methods a prospective follow up study of consecutively referred inpatients of a rehabilitation clinic was made. Outcome measures tac transport accident commission.
Methods scales the western ontario and mcmaster university osteoarthritis index womac is a diseasespecific, selfadministered, health measure developed to study patients with osteoarthritis in the. Western ontario and mcmaster universities osteooarthritis. The western ontario and mcmaster universities osteoarthritis index womac. 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. What is the minimum clinically important difference for. Please enter your personal details first name, last name, and email address are required. Stefan lohmander, md, phd charlotte ekdahl, phd, pt bruce d. The womac has also been used to assess back pain, rheumatoid arthritis, juvenile rheumatoid arthritis, systemic lupus. The clinimetric properties of outcome measures include both psychometric aspects validity, reliability and responsiveness and clinical utility feasibility, interpretability and external validity. Validity and reliability of swedish womac osteoarthritis index. Knee injury and osteoarthritis outcome score koos development of a selfadministered outcome measure.
The womac sf function scale is a reliable and valid questionnaire that can now be used in evaluation of drugtreated oa patients and tissue engineering patients. The reliability of the womac sf function scale is excellent. Request further information please complete the following form to request further information. Problems persist in reporting of methods and results for. 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. Clinician researchers american college of rheumatology. The utility of outcome measures in total knee replacement. The womac measure has been used in clinical trials to evaluate the efficacy of surgical treatments 11, 12, medicinal and biological products, 14, devices and physical therapies.
The following questions concern the amount of pain you are currently experiencing in your knees. It is a valid, reliable and responsive measure of outcome, and has been used in diverse clinical and interventional environments. Index is a diseasespecific, tridimensional self administered questionnaire, for assessing health status and health outcomes in. The western ontario and mcmaster universities arthritis index womac is widely used. A popular patientreported outcome measure prom used for evaluation with hip and knee osteoarthritis is the western ontario and mcmaster universities osteoarthritis index womac. Koos knee survey knee injury and osteoarthritis outcome. The womac score is a validated outcome measure for use in patients undergoing tka. Having a set of established and validated response criteria makes the womac an excellent option for use in clinical trials that aim to measure response to tkr and other nonsurgical interventions 52, 53. Patientreported outcome instruments for use in patients with articular cartilage defects. Beynnon, phd 0 utcomes following injury of ligaments or menisci of the knee have usually been evaluated in terms of. Summary of clinical outcome measures for sportsrelated. 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. Listing a study does not mean it has been evaluated by the u. 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.
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. 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. At outcome measures in rheumatoid arthritis clinical trials iii, pain, physical function, patients global rating, and imaging tests were identi. The knee injury and osteoarthritis outcome score koos is a questionnaire designed to assess short and. A 40 item questionnaire hip disability and osteoarthritis. It is used for people with hip disability, with or without hip osteoarthritis oa. Hip disability and osteoarthritis outcome score hoos. 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. Knee injury and osteoarthritis outcome score koos validation and comparison to the womac in total knee replacement. The womac is a selfreport functional status measure which professes to assess three health concepts, pain, stiffness, and physical. Dimensions have been added to the womac to create the hoos, as was done with the koos. We adapted the womac for the italian language and tested its metric properties in 304 patients with symptomatic oa of the knee. The aims2 is an arthritisspecific measure of physical, social, and emotional wellbeing.
Defining meaningful changes in the womac score is important for samplesize calculations in clinical research and for interpreting published studies. 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 erythematosus, and fibromyalgia. Heavy domestic duties moving heavy boxes, scrubbing.