German Version of SARC-F: Translation,Adaption, and Validation |
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| Affiliation: | 1. Medizinische Klinik und Poliklinik IV, Schwerpunkt Akutgeriatrie, Klinikum der Universität München (LMU), Munich, Germany;2. Institut für Medizinische Physik, FAU Erlangen-Nürnberg, Erlangen, Germany;3. Institut für Biomedizin des Alterns, FAU Erlangen-Nürnberg, Nürnberg, Germany;1. Dietetics and Clinical Nutrition Research Unit, Herlev and Gentofte University Hospital, Denmark;2. Department of Nutrition, Exercise and Sports, Copenhagen University, Denmark;3. University College Copenhagen, Denmark;4. Medical Department, Herlev and Gentofte University Hospital, Denmark;5. Department of Physiotherapy and Occupational Therapy, Herlev and Gentofte University Hospital, Denmark;6. QD-Research Unit, Herlev and Gentofte University Hospital, Denmark;1. Department of Diabetes and Metabolism, Ise Red Cross Hospital, Ise-shi, Mie, Japan;2. Department of Clinical Psychology Team, Ise Red Cross Hospital, Ise-shi, Mie, Japan;1. Department of Gerontology, Neuroscience and Orthopedics, Catholic University of Sacred Heart, Rome, Italy;2. Institute of Crystallography, National Research Council (CNR), Bari, Italy;1. Cecil G. Sheps Center for Health Services Research and Departments of Family Medicine and Internal Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC;2. Cecil G. Sheps Center for Health Services Research and Schools of Social Work and Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC;1. Department of Biomedical Science and Technology, College of Medicine, East-West Medical Research Institute, Kyung Hee University, Seoul, Republic of Korea;2. Department of Family Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea |
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| Abstract: | ObjectivesTranslation, adaptation, and validation of the German version of the SARC-F for community-dwelling older adults in Germany.DesignCross-sectional.Setting and Participants117 community-dwelling outpatients with a mean age of 79.1 ± 5.2 years were included in the study; 94 (80.4%) of them were female. Sixty-three (53.8%) had a positive SARC-F score of ≥4 points. According to the definition of sarcopenia from the European Working Group on Sarcopenia in Older People (EWGSOP2), 8 patients (6.8%) were identified as sarcopenic and 57 (48.7%) as probable sarcopenic.MethodsAccording to EWGSOP2, probable sarcopenia was defined for patients with reduced hand grip strength (women: <16.0 kg; men: <27.0 kg) and/or impaired chair-rise time (both genders: >15 seconds). Patients with additional low skeletal muscle index were classified as sarcopenic (women: <5.5 kg/m2; men: <7.0 kg/m2). Translation and cultural adaption was composed of 7 different steps that were in general based on the guidelines put forward by the World Health Organization. Validation include test-retest and the inter-rater reliability (intraclass correlation coefficient) as well as internal consistency (Cronbach alpha). Furthermore, sensitivity, specificity, positive predictive value, and negative predictive value of the SARC-F were calculated. Receiver-operating characteristic analysis was performed to calculate the area under the curve.ResultsThe translated and culturally adapted version of the SARC-F for the German language has shown excellent inter-rater reliability and good test-retest reliability. The internal consistency is acceptable. Sensitivity (63%) and specificity (47%) for sarcopenia is low. For detecting patients with probable sarcopenia, the SARC-F in the German version has shown 75% sensitivity and 67% specificity.Conclusions and ImplicationsBecause of a low sensitivity for detecting sarcopenia but an acceptable sensitivity for identifying probable sarcopenia, the German version of the SARC-F is a suitable tool for case finding of probable sarcopenia. |
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| Keywords: | SARC-F sarcopenia screening validation translation German |
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