ArticleBMC geriatrics2025
Predictive value of Ishii test for sarcopenia in older patients with knee osteoarthritis.
Article in BMC geriatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Comparative Performance of SARC-F, SARC-CalF, SARC-F + EBM, and Ishii Score for Detecting Sarcopenia in Hospitalised Geriatric Patients.Journal of clinical medicine · 2026Article
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Authors and funding
10 authors.
Funding
Abstract
backgroundKnee osteoarthritis is becoming increasingly common, and the age-related decline in muscle mass or sarcopenia can exacerbate both conditions in a vicious cycle. Therefore, screening for sarcopenia is crucial for the management of both diseases. The Ishii score as an effective screening tool is currently widely used.
objectivesThis study aimed to validate the predictive effectiveness of the Ishii test in older adults with knee osteoarthritis patients, establish new cut-off value to assess its accuracy in predicting sarcopenia.
methodsA cross-sectional survey was conducted on 404 participants with knee osteoarthritis from China. Patients with sarcopenia were identified according to the 2019 criteria of the Asian Working Group for Sarcopenia. Social demographic variables, body composition, handgrip strength and calf circumference were collected and the Ishii score was calculated. The accuracy of the Ishii score test was determined by using indicators, including specificity, sensitivity, negative and positive predictive values, negative and positive likelihood ratios, Kappa value, Youden index, and receiver operating characteristic curve.
resultsThe Ishii test predicts sarcopenia at an AUC value of 0.85 for males, and at an AUC value of 0.84 for females. The cut-off value is over 108 for males and 119 for females, with the new cut-off value, the sensitivity, specificity, positive and negative predictive values, the kappa value or sarcopenia were 0.95, 0.66, 0.47, 0.98, 0.45 for males, and 0.91, 0.73, 0.47, 0.97,0.48 for females, respectively.
conclusionsThe study validated that the Ishii test can serve as a practical screening tool in community or clinical settings.
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