alexa Validating the SARC-F: a suitable community screening tool for sarcopenia?
Medicine

Medicine

Journal of Gerontology & Geriatric Research

Author(s): Woo J, Leung J, Morley JE

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Abstract OBJECTIVES: Using data from the Hong Kong Mr and Ms Os study, we validated the SARC-F against 3 consensus definitions of sarcopenia from Europe, Asia, and an international group, and compared the ability of all 4 measures to predict 4-year physical limitation, walking speed, and repeated chair stands. DESIGN: Prospective cohort study. SETTING: Hong Kong community. PARTICIPANTS: Four thousand men and women living in the community. MEASUREMENTS: A questionnaire regarding ability to carry a heavy load, walking, rising from a chair, climbing stairs, and falls frequency was administered. These questions were used to calculate the SARC-F score. Measurements, including appendicular muscle mass, were taken using dual-energy X-ray, grip strength using a dynamometer, 6-m gait speed, and time taken for repeated chair stand. Classification using the SARC-F score was compared using consensus panel criteria from international, European, and Asian sarcopenia working groups. The performance of all 4 methods was compared by examining the predictive ability for 4-year outcomes using ROC curve. RESULTS: The SARC-F has excellent specificity but poor sensitivity for sarcopenia classification; however, all 4 methods have comparable but modest predictive power for 4-year physical limitation. CONCLUSION: The SARC-F may be considered a suitable tool for community screening for sarcopenia. Copyright © 2014 AMDA – The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved. This article was published in J Am Med Dir Assoc and referenced in Journal of Gerontology & Geriatric Research

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