To evaluate different western ontario and mcmaster universities osteoarthritis index womac pain thresholds as eligibility criteria for a knee osteoarthritis oa trial and their effect on number of subjects recruited. The womac knee and hip and the auscan hand oa indices n. Osteoarthritis is the most common form of arthritis. Pain, other symptoms, function in daily living adl, function in sport and recreation sportrec. However, there is relatively little evidence to support the. Glucosamine sulfate use and delay of progression of knee.
The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the knee andor hip. The western ontario and mcmaster universities osteoarthritis index womac 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. Comparison of womac with sf36 for oa of the knee or hip. Similarly, for the 70% minimum clinically important response level, the definitions were. 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. Our study aimed at developing clinical thresholds cutoff scores for the western ontario and mcmaster universities womac osteoarthritis index, eq5d and knee society score for discriminating between patients with and without treatment success following total knee arthroplasty tka. Sep 21, 2019 the western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. Bellamy views in the literature to the use of womac in validation studies, comparative studies against other health status measures, and. Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome. Safety and efficacy of undenatured type ii collagen in the. The womac was developed in the early 1980s as a diseasespecific measure for hip and knee osteoarthritis bellamy 2009. Womac osteoarthritis indexadditional dimensions for use. 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. Data collected were pain using the intermittent and constant osteoarthritis pain icoap, a numeric rating scale nrs, the western ontario mcmaster universities osteoarthritis index womac pain.
The present study investigated whether the conceptualization of hip and knee osteoarthritis pain implicit in the western ontario and mcmaster universities arthritis index womac and medical. We aimed to explore the internal validity and responsiveness of this vas version of the womac. Scale scores are calculated which range from 0 best score to 10 worst score. The scale of womac with three sub scales, pain, stiffness and physical function, contain main symptoms of knee oa. However, it has not been formally translated and validated in finnish. Our study aimed at developing clinical thresholds cutoff scores for the western ontario and mcmaster universities womac osteoarthritis index, eq5d and knee society score for discriminating between. The following questions concern the amount of pain you are currently experiencing in your knees. The knee injury and osteoarthritis outcome score koos was developed as an extension of the womac osteoarthritis index with the purpose of evaluating shortterm and longterm symptoms. Bellamy views in the literature to the use of womac in validation studies, comparative studies against other health status measures, and in various clinical research and clinical practice settings to evaluate patient outcomes 7.
The womac takes approximately 12 minutes to complete, and can be taken on paper, over the telephone or. When considering patients with osteoarthritis of the hip or knee and those subsequently progressing to total joint arthroplasty, the western ontario and mcmaster universities osteoarthritis index womac. Western ontario and mcmaster universities osteoarthritis. This paper examines selected measurement properties of the womac lk 3. The western ontario and mcmaster universities osteoarthritis index womac is a widely used, proprietary set of standardized questionnaires used by health professionals to evaluate the condition. Patients from a large registry of spanish patients n 7072 observations with knee or hip osteoarthritis who completed both womac and eq5d was used. Introduction radiographic changes of knee osteoarthritis oa are seen in approximately 50% of patients 1015 years after an injury to the anterior. Pdf validation of the shortform womac function scale for the. Extended report evaluation of womac 20, 50, 70 response. Aug 22, 2019 the western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. If you are unsure about how to answer a question, please give the best. A mixture model approach was used based on distributions bespoke to the eq5d uk value set to estimate eq5d as a function of womac pain, stiffness and function subscores. The western ontario and mcmaster universities osteoarthritis.
The womac western ontario and mcmaster universities index of. Womac, eq5d and knee society score thresholds for treatment. Clinician researchers american college of rheumatology. Modelling the relationship between the womac osteoarthritis. Symptomatic disease in the knee occurs in approximately 6% of us adults 30 years and older, 1 and results of communitybased surveys have shown that the general incidence and prevalence increases 2 to 10fold from age 30 to 65 years, with further increases thereafter. Apr 30, 2010 the western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. Pdf validation of the shortform womac function scale. This information will help us keep track of how you feel about your knee and how well you are able to do your usual activities. For each situation, please enter the amount of pain you have. We screened subjects with knee pain using the likert version of the womac and scored all subjects based on the severity of pain with each of the 5 womac. The womac index is a diseasespecific, tridimensional selfadministered questionnaire, for assessing health status and health outcomes in osteoarthritis of the. Roos em, roos hp, lohmander ls, ekdahl c, beynnon bd. May 22, 2018 the knee injury and osteoarthritis outcome score koos is a commonly used knee assessment and outcome tool in both clinical work and research. The koos is selfadministered and assesses five outcomes.
Quantifying the pain experience in hip and knee osteoarthritis. South georgia spine and joint center 202 south madison st. Womac is a selfadministered health status measure that assesses the dimensions of pain, stiffness and function either separately or as an overall index in patients with oa of the hip or knee. Mar 24, 2019 the western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis. Woolacott nf, corbett ms, rice sj 2012 the use and reporting of womac in the assessment of the benefit of physical therapies for the pain of osteoarthritis of the knee. Womac osteoarthritis indexadditional dimensions for use in. Osteoarthritis oa of the knee is prevalent musculoskeletal problem. Mar 12, 2014 patients from a large registry of spanish patients n 7072 observations with knee or hip osteoarthritis who completed both womac and eq5d was used. Validation of a proposed womac short form for patients. When considering patients with osteoarthritis of the hip or knee and those subsequently progressing to total joint arthroplasty, the western ontario and mcmaster universities osteoarthritis index womac is frequently reported3, 4.
Efficacy of tailored exercise therapy on physical functioning in. The knee injury and osteoarthritis outcome score koos was developed as an extension of the womac osteoarthritis index with the purpose of evaluating shortterm and longterm symptoms and function in subjects with knee injury and osteoarthritis. The measure was developed to evaluate clinically important, patient. For each situation, please enter the amount of pain you have experienced in the past 48 hours. 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.
The use and reporting of womac for the assessment of. Womac function scale for the evaluation of osteoarthritis of the knee. Angst et al compared womac with the sf36 as tools to assess the outcome of a three to four week inpatient rehabilitation programme for people with osteoarthritis of the knee or hip. Knee injury and osteoarthritis outcome score koosvalidation of a swedish version.
To evaluate different western ontario and mcmaster universities osteoarthritis index womac pain thresholds as eligibility criteria for a knee osteoarthritis oa trial. It is a selfadministered questionnaire consisting of 24 items divided into 3 subscales. The knee injury and osteoarthritis outcome score koos is a questionnaire designed to assess short and longterm patientrelevant outcomes following knee injury. Womac osteoarthritis index south ga spine, joint and. Acceptability, reliability, validity and responsiveness of the turkish. If you are unsure about how to answer a question, please give the best answer you can. However, there is relatively little evidence to support the use of the visual analogue scale vas version of the scale. Clinically important improvement in the womac and predictor. 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. Cronbachs alpha for pain, stiffness, function, and the total scale ranged. In sections a, b, and c, questions will be asked about your hip or knee pain.
The questionnaire also includes sections which ask respondents to rate their satisfaction and the impact of arthritis on each of these 12 areas. The womac westren ontario and mcmaster universities index is used to assess patients with osteoarthritis of the hip or knee using 24 parameters. Mcmaster osteoarthritis index womac please circle the. The western ontario and mcmaster universities osteoarthritis index womac has been a widely used patient reported outcome in oa. It can be administered in person, via computer, by telephone interview, and can even be delivered to mobile. The western ontario and mcmaster universities arthritis index womac is widely used in the evaluation of hip and knee osteoarthritis.
Influence of pain severity on healthrelated quality of life in chinese. It consists of 24 questions, grouped into 3 subscales pain, stiffness, and physical. Moderate standardized effect size for womac total scale from baseline to 12 weeks 0. Symptoms and function were assessed by womac osteoarthritis index and the added.
It has been validated in patients with osteoarthritis oa of the hip or knee in a paperbased format. Standardized response mean for womac total scale at 12 weeks 7. Sep 01, 2009 the womac was developed in the early 1980s as a diseasespecific measure for hip and knee osteoarthritis bellamy 2009. What womac pain score should make a patient eligible for a.
Knee injury and osteoarthritis outcome score koosdevelopment of a selfadministered outcome measure. Think about the pain you felt in your hip knee during the last 48 hours. Additionally, a reduced sevenpoint womac scale has also been validated. Reliability and validity of the western ontario and mcmaster. 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. Womac also has the additional advantage of being validated for use in multiple formats. The measure was developed to evaluate clinically important, patientrelevant changes in health status resulting from treatment interventions. 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 purpose of this study was to translate and culturally adapt the koos questionnaire into finnish and to determine its validity and reliability among finnish middleaged patients. Pdf validation of the shortform womac function scale for. Womac index was developed for hip and knee osteoarthritis, however it has been used with other rheumatic conditions such as. Symptomatic disease in the knee occurs in approximately 6% of us adults 30 years and older, 1 and results of communitybased surveys. The knee injury and osteoarthritis outcome score koos. 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.
Abstract our study aimed at developing clinical thresholds cutoff scores for the western ontario and mcmaster universities womac osteoarthritis index, eq5d and knee society score for discriminating. Form of womac used womac pain score range womac index range vas 010 0 to 50 0 to 240 vas 0100 0 to 500 0 to 2400 nrs 010 0 to 50 0 to 240 likert scale 04 0 to 20 0 to 96 objectives within. Pdf this study validates the shortform womac function scale for assessment of conservative treatment of osteoarthritis of the knee. Knee injury and osteoarthritis outcome score koos validation and comparison to the womac in total knee replacement. Form of womac used womac pain score range womac index range vas 010 0 to 50 0 to 240 vas 0100 0 to 500 0 to 2400 nrs 010 0 to 50 0 to 240 likert scale 04 0 to 20 0 to 96 objectives within the context of investigating the efficacy of physical interventions for the relief of the pain of osteoarthritis of the knee, we investigated both the. Womac assesses pain stiffness and physical function in persons with hip andor knee osteoarthritis. It was designed to provide a standardised assessment of selfreported health status while incorporating activities relevant to patients. It was designed to provide a standardised assessment of self. The knee injury and osteoarthritis outcome score koos is a commonly used knee assessment and outcome tool in both clinical work and research. Answer every question by ticking the appropriate box.
There are multiple versions of the aims2, such as the aims2sf. Construct validity and reliability of the finnish version of. It can be administered in person, via computer, by telephone interview, and can even be delivered to mobile devices m womac 2. 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. The present study investigated whether the conceptualization of hip and knee osteoarthritis pain implicit in the western ontario and mcmaster universities arthritis index womac and medical outcomes study shortform 36 sf36 scales is complete, or whether the addition of another scale, such as the shortform mcgill pain questionnaire mpqsf, provides a more complete characterization. We adapted the womac for the italian language and tested its metric properties in 304 patients with symptomatic oa of the knee.
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