Journal
JOURNAL OF THE AMERICAN MEDICAL DIRECTORS ASSOCIATION
Volume 15, Issue 9, Pages 630-634Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jamda.2014.04.021
Keywords
Sarcopenia; screening; physical limitation
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Funding
- S.H. Ho Centre for Gerontology and Geriatrics
- Jockey Club Centre for Osteoporosis Care and Control
- The Chinese University of Hong Kong
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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. (C) 2014 AMDA - The Society for Post-Acute and Long-Term Care Medicine.
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