Sensitivity and specificity of SARC-F in the classification of sarcopenia in the elderly: preliminary results

Natália Rodrigues dos Reis, Jeferson Macedo Vianna, Fernando Basile Colugnati, Jefferson da Silva Novaes, Henrique Novais Mansur

Resumo


Introduction: In addition to being prevalent in the elderly population, sarcopenia has become a precursor to functional decline in this population. Alternative means for screening is necessary. Objectives: The aim of this study was to evaluate the sensitivity and specificity of the SARC-F sarcopenia screening instrument. Methods: The sample consisted of 153 elderly of both sexes. Screening of sarcopenia was evaluated by the SARC-F questionnaire. Strength, function and muscle mass were evaluated through the protocol adapted from the European Working Group on Sarcopenia in Older People (EWGSOP). The sensitivity and specificity of the questionnaire were evaluated using the ROC curve. Results: 13.72% of the elderly evaluated were classified as sarcopenic. The parameters most related to sarcopenia were older and lack of physical exercise. Sex was not a parameter that had a relationship in classification. Sensitivity was 60.0% and specificity of 80.92% with an area on the curve of 0.70. Conclusion: Our data supports the use of SARC-F as a screening tool that can be used in community and hospital environments as a quick screening tool.

Keywords: muscle strength, aged, sarcopenia.


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DOI: http://dx.doi.org/10.33233/rbfex.v19i4.3895

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