• Title/Summary/Keyword: WOMAC Index

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Reliability and Validity of the Korean Western Ontario and McMaster Universities(WOMAC) Osteoarthritis Index in Patients with Osteoarthritis of the Knee (퇴행성 슬관절염 환자에 대한 한글판 WOMAC Index의 신뢰도와 타당성에 관한 연구)

  • Ko, Tae-Sung;Kim, Seong-Yeol;Lee, Jong-Soo
    • Journal of Korean Medicine Rehabilitation
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    • v.19 no.2
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    • pp.251-260
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    • 2009
  • Objectives : To investigate reliability and validity of Korean translation of Western Ontario and McMaster Universities(WOMAC) osteoarthritis index. Methods : The reliablity, construct validity of the Korean WOMAC Index in the patient of knee osteoarthritis was investigated. Test-retest reliability was quantified with pearson's correlation coefficient and intraclass correlation coefficient. Internal consistency was quantified with Cronbach's ${\alpha}$. and construct validity with pearson's correlation coefficient by correlating of the Visual Analog Scale(VAS). Results : Test-retest reliability of Korean WOMAC Index for pain was 0.76 to 0.95, stiffness was 0.89 to 0.94, and physical function was 0.71 to 0.95. Intraclass correlation coefficient for pain was 0.76 to 0.94, stiffness was 0.54 to 0.89, and physical function was 0.70 to 0.95. Internal consistency were 0.94 and 0.94 for the first and second time, respectively. Construct validity for pain was 0.79, for stiffness was 0.66, and physical function was 0.67. Conclusions : The Korean translation of Western Ontario and McMaster Universities(WOMAC) osteoarthritis index is reliable, valid assessment tool in knee osteoarthritis.

Study of the Reliability and Validity of the WOMAC Index in Patients with Total Knee Replacement (무릎관절 전치환술 환자에 대한 WOMAC 지수의 신뢰도와 타당성에 관한 연구 )

  • Hoon Jo;Kyoung Kim;Sang-Cheol Im
    • Journal of the Korean Society of Physical Medicine
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    • v.18 no.2
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    • pp.93-101
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    • 2023
  • PURPOSE: The Western Ontario and McMaster Universities Arthritis (WOMAC) index has been used to measure the outcome of total knee replacement (TKR), but studies on its reliability and validity are limited. The present study examined the reliability and validity of this index for patients with knee osteoarthritis who underwent TKR. METHODS: Seventy-one inpatients and outpatients who underwent bilateral TKR for knee osteoarthritis were included in this study. The pain assessment scale and WOMAC index were used to evaluate the participants every two weeks to examine the test-retest reliability, internal consistency, and construct validity. RESULTS: The test-retest reliability scores for pain, stiffness, and physical function were .75-.92, .85-.90, and .75-.95, respectively. The corresponding intraclass correlation coefficients were .75-.88, .76-.88, and .71-.95, respectively. The internal consistency score in the first and second examinations was .92. Furthermore, the construct validity scores for pain, stiffness, and physical function were .83, .41, and .58, respectively. CONCLUSION: The application of the WOMAC index in patients who underwent TKR showed high test-retest reliability and internal consistency with the use of the WOMAC index and good validity with the use of the pain assessment scale.

Effect of Rehabilitation Exercise Program with Motion Taping on Pain, Muscle Strength, and WOMAC Index in 50s Middle Aged Women with Osteoarthritis of the Knee Joint (모션테이핑을 적용한 재활운동 프로그램이 무릎 골관절염을 가진 50대 중년여성의 통증, 근력, WOMAC index에 미치는 영향 )

  • Min-Kyu, Kim;Yong-Ho, Cho
    • Journal of the Korean Society of Physical Medicine
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    • v.17 no.4
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    • pp.85-92
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    • 2022
  • PURPOSE: This study examined the effects of motion taping during combined lower extremity exercise application on pain, ROM, muscle strength, and WOMAC index in middle-aged women with osteoarthritis of the knee joint METHODS: The subjects were 26 middle-aged women with osteoarthritis in the knee joint. Twenty-six subjects were divided into two groups. Each group contained 13 subjects. Three subjects dropped out in the middle of the experiment. The intervention was six weeks, three times a week. The control group performed traditional physical therapy and lower extremity exercise. The experimental group was motion taping applied to the lower extremity exercise. The measurement factors were knee joint pain, quadriceps muscle strength, and WOMAC index. The pain was measured using the numeric pain scale instrument (NPSI). The quadriceps strength was measured using the 1RM method. RESULTS: In both groups, pain, muscle strength, and WOMAC index showed significant improvement according to the intervention (p < .05). In comparison between groups of the change values pre-post intervention, pain and WOMAC index showed statistically significant differences between the two groups. On the other hand, there was no difference in strength between the two groups. CONCLUSION: When performing a rehabilitation exercise program for middle-aged women with osteoarthritis of the knee, motion taping has a positive effect on pain and the WOMAC index.

The Effects of Resistance Exercise and Balance Exercise on Proprioception and WOMAC Index of Patients with Degenerative Knee Osteoarthritis

  • Yun, Young-Dae;Shin, Hee-Joon;Kim, Sung-Joong;Lim, Sang-Wan;Choi, Suk-Ju;Seo, Dong-Kyu;Kim, Hong-Rae;Kim, Jung-Hee;Lee, Joo-Sang;Kim, Mi-Jung;Kim, Soon-Hee
    • Journal of International Academy of Physical Therapy Research
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    • v.1 no.2
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    • pp.169-175
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    • 2010
  • The purpose of this study was to analyze and compare the effect of resistance exercise and balance exercise on proprioception and WOMAC index of patients with degenerative knee osteoarthritis. A total of 40 subjects participated in this study. The subjects were diagnosed with degenerative knee osteoarthritis and all were more than 60 years old. They were divided into three groups. Group I(n=8) was trained with resistance exercise, Group II(n=6) was trained with balance exercise and Group III(n=6) was trained with range of motion as a control. The results of this study were as follows. It was significantly indicated that the resistance exercise group and balance exercise group elicited error-reduction on proprioception goal-angle (p<.05). There was a statistically significant difference on proprioception between resistance exercise group and control(range of motion) group. There was a statistically significant reduction on WOMAC index between resistance exercise group and balance exercise group (p<.05) and on the WOMAC index between resistance exercise group and range of motion group(p<.05). In conclusion, resistance exercise and balance exercise are effective on degenerative knee osteoarthritis and resistance exercise is the most effective for improving proprioception and WOMAC index. More research on the intervention according to the degree of degenerative knee osteoarthritis is needed.

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Validity and Reliability of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)-VA3.0 in Hip and Knee Osteoarthritis Patients (WOMAC-VA3.0의 타당도 및 신뢰도 -일부 슬관절 및 고관절 골관절염환자를 대상으로-)

  • Yi, Seung-Ju;Lee, Hyun-Ju;Woo, Young-Keun
    • Physical Therapy Korea
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    • v.15 no.2
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    • pp.20-29
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    • 2008
  • The purpose of this study was to examine the validity and reliability of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)-VA3.0 in patients with hip and knee osteoarthritis (OA). The sample consisted of 301 patients who had received treatments at the physical therapy units of 5 medical institutions in Andong City in june 2006. Questionnaires on the WOMAC were recruited by 12 physical therapists. The internal structure and reliability of the scales were evaluated by means of item-internal consistency (Cronbach's alpha coefficient: ${\alpha}$), item-discriminant validity, and Pearson's relation coefficient. To explore construct validity, we conducted a principal component factor analysis with varimax rotation analysis. The criterion for factor extraction was an eigenvalue >1.0. The average age of the patients was 62.1 years. All WOMAC subscales (pain, stiffness, and physical function) were internally consistent with Cronbach's coefficients of .81, .91, and .80, respectively. The internal consistency reliability of item-each scale were also internally consistent with Cronbach's coefficient of .89 (Pearson's correlation coefficient: .71~.84), .93 (.89~.91), and .96 (.67~.91), respectively. However, high correlation was found among 3 items (.66~.83, .66~.67, and .67~.83), so the item-discriminant validity was low (${\alpha}$ coefficient: .81, .91, .80, respectively). The construct validity by factor analysis was low because it was not consistent With WOMAC-VA3.0. In conclusion, the results reported here confirm the reliability of the WOMAC in patients with OA of the hip and knee. The collection of information on the hip and knee osteoarthritis using this instrument was acceptable to patients. A further prospective multi-center study will be necessary to prove the construct validity.

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A Case Report of a 7-year-old Hemophilic Arthropathy Patient Treated by Oriental Medical Treatment (혈우병성 관절증 7세 환아의 한방적 처치에 대한 증례보고)

  • Hong, Hyo-Shin;Lee, Jin-Young
    • The Journal of Pediatrics of Korean Medicine
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    • v.25 no.2
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    • pp.27-38
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    • 2011
  • Objectives: The purpose of this study is to demonstrate the therapeutic effect of oriental medical treatment on Hemophilic arthropathy. Methods: The patient was treated by Herb medicine, Acupuncture, Moxibustion, and Cupping. As a result, improvement in the ROM of joints was shown. ROM(Range of motion), Lequesne's functional index(LFI), WOMAC index and Visual analogue scale(VAS) were used to measure the progression. Results The ROM, LFI, WOMAC index and VAS were evaluated during admission. All scales improved; ROM of knee joint : $60^{\circ}$($105^{\circ}$ to $165^{\circ}$), ROM of ankle joint : $40^{\circ}$($20^{\circ}$ to $60^{\circ}$), LFI : 15 to 4, WOMAC index : 55 to 12 and VAS : 5.0 to 1.0. We also improved the patient's symptoms with oriental medical treatment. Conclusions: According to the results, oriental medical treatment is considered to be effective on Hemophilic arthropathy and further study is needed.

The Effect of Knee Joint Traction Therapy on Pain, Physical Function, and Depression in Patients with Degenerative Arthritis

  • Lee, Dong Kyu
    • The Journal of Korean Physical Therapy
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    • v.31 no.5
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    • pp.317-321
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    • 2019
  • Purpose: To identify the effect of knee joint traction therapy on pain, physical function, and depression in patients with degenerative arthritis. Methods: In total, 30 patients with degenerative arthritis were randomly assigned to one of two groups: the experimental group, who underwent knee joint traction therapy, and the control group, who underwent general physical therapy (15 patients per group). Pain was measured using the visual analogue scale (VAS), physical function was measured using the Western ontario and McMaster universities osteoarthritis (WOMAC) index, and depression was measured using the Beck depression inventory (BDI). The VAS, WOMAC score, and BDI score were recorded before and after the 4-week treatment. Results: As a result of comparison within groups, the experimental and control group showed significant difference for VAS, WOMAC and BDI after the experiment (p<0.05). In comparison between the two groups, the experimental group in which knee joint traction was applied showed more significant change in VAS, WOMAC and BDI than the control group (p<0.05). Conclusion: This study showed that knee joint traction therapy was effective in improving pain, physical function, and depression in patients with degenerative arthritis.

Thread-Embedding Therapy for Knee Osteoarthritis

  • Roh, Jeong-Du
    • Journal of Acupuncture Research
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    • v.37 no.1
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    • pp.64-67
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    • 2020
  • The aim of this study was to investigate the efficacy of thread-embedding therapy for the treatment of knee osteoarthritis. There were 20 patients treated with thread-embedding therapy at various acupoints on the muscles around the knee. Gender, age, location, morbidity period, numeric rating scale (NRS), Western Ontario and McMaster Universities (WOMAC) index, improvement result, side effects, and patient's satisfaction were investigated. After the treatment, the NRS score (z = -4.07, p < 0.001) and WOMAC (p < 0.001) indices decreased in most patients. The NRS score decreased by more than 2 points in 95% of the patients. The WOMAC index decreased by 6-12 points. There were no serious side effects, although bruising, pain, and edema were observed. Overall, 85% of the patients felt satisfied with the thread-embedding therapy. These findings suggested that thread-embedding therapy was effective and may be used widely for knee osteoarthritis.

The Study about Internal Reliability and Correlation among Assessment Instruments of Knee OA (퇴행성 슬관절염 환자 평가 설문도구의 내적 신뢰도, 상관성에 관한 연구)

  • Ryu, Seong-ryong;An, Kyung-eh;Seo, Byung-kwan;Kang, Jung-won;Lee, Sang-hoon;Lee, Jae-dong;Choi, Do-young;Kim, Keon-sik;Lee, Doo-ik;Lee, Yun-ho
    • Journal of Acupuncture Research
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    • v.22 no.3
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    • pp.271-280
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    • 2005
  • Objective : The aim of this study is to evaluate internal reliability and correlation among assessment instruments of knee OA. Methods : Data were obtained from 85 patients with knee OA. They were asked to answer VAS pain scale, two disease-specific questionnaires (WOMAC and LFI) and one instrument about health-related quality(KHAQ). Reliability was assessed using cronbach`s alpha. Correlation was assessed by examining the pearson`s correlation coefficients. Results : Cronbach`s alpha of all Index except WOMAC stiffness subscale.(6679) exceeded the value of 0.70. A good correlation was obtained between WOMAC Subscales (especially Pain Subscale) and LFI (.726

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Mapping between Musculoskeletal Patient-Reported Outcome Measures and KCF: Physical Therapy Perspective (근육뼈대계 환자보고식 결과 측정과 KCF의 연결: 물리치료 중심으로)

  • Ju-Min Song
    • Journal of the Korean Society of Physical Medicine
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    • v.19 no.1
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    • pp.143-154
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    • 2024
  • PURPOSE: The present study was conducted to improve the understanding of the Korean Standard Functional, Disability, and Health Classification (KCF) and its ease of use in the clinical domain of the musculoskeletal system by comparing, analyzing, and linking the KCF codes with items from patient-reported outcome measures (PROMs), which are currently mainly used to evaluate patients with neck, shoulder, waist, and knee pain. METHODS: The items of the most widely used PROMs, the Neck Disability Index (NDI), Disabilities of the Arm, Shoulder, and Hand (DASH) scores, Oswestry Disability Index (ODI), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the codes of the KCF were linked by two experts according to the linking rules. RESULTS: The concordance between the items of each of the PROMs and the KCF code linked by the two experts was NDI,86.4%86.4%, DASH 83.3%, ODI 92.0%, and WOMAC 80.7%. The NDI, DASH, and WOMAC indexes were found to comprise items corresponding to physical function, activity, and participation areas, and were linked to 22, 43, and 31 KCF codes, respectively. In addition to these two areas, the ODI included items related to environmental factors and was linked to 25 codes (duplicated codes are treated as one). CONCLUSION: This research can be used by adding the KCF code to the questions of the currently used evaluation tool. This coding can be easily applied and will contribute to the easy understanding of the KCF.