Abstract
Introduction
The purpose of the present study is to translate and validate into French the SARC-F questionnaire, a simple and easy screening tool for sarcopenia.
Materials and methods
The translation process has been divided into two consecutive parts: (1) the translation of the questionnaire from English to French and its language validation (inter-rater reliability and test–retest reliability); (2) the clinical validation of the French SARC-F to assess its performance (sensitivity, specificity, predictive positive value and predictive negative value) in a cohort of elderly Belgian subjects against 7 existing definitions of sarcopenia.
Results
The translated French version of the SARC-F demonstrated an excellent inter-rater reliability, with an intraclass correlation coefficient (ICC) of 0.90 (95% CI 0.76–0.96), as well as excellent test–retest reliability, with an ICC of 0.86 (95% CI 0.66–0.94). Afterwards, 306 subjects took part in the clinical validation of the French version of the SARC-F questionnaire. The results showed that sensitivity of the tool ranged from 22.1 to 75.0%, depending on the definition used for the diagnosis of sarcopenia, and the specificity ranged from 84.9 to 87.1%. Moreover, all positive predictive values were always below 50%; the lowest negative predictive value was 68.1%, and the best one reached approximately 99%.
Conclusions
The results are in line with the psychometric performance found in the initial English validation of the SARC-F and seem to indicate that this screening tool can detect with precision the absence of sarcopenia, but seems less precise in affirming the presence of this geriatric syndrome.
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Acknowledgements
We would like to thank Pr. Stéphane Schneider from the “Centre Hospitalier Universitaire de Nice, Pôle Digestif, Université de Nice Sophia-Antipolis, Faculté de Médecine, Nice, France” for his involvement in the project and for being a member of the expert panel in charge of reviewing the translation and discussing the conceptual adequacy and clarity of the translation.
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CB, OB and JYR conceived the study. OB, CB and SB were translators involved in the translation process. ML and CB collected the data among the SarcoPhAge population and performed the statistical analyses. The first draft of the manuscript was written by both CB and ML. All the authors reviewed and approved the final version of the manuscript.
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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. CB and ML are both supported by a fellowship from the FNRS (Fonds National de la Recherche Scientifique de Belgique—FRSFNRS—http://www.frs-fnrs.be).
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The authors have no relevant competing interests to declare.
Ethical approval
The research protocol and subsequent amendments were approved by the Ethics Committee of the University Teaching Hospital of Liège.
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Informed written consent was given by all participants.
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Beaudart, C., Locquet, M., Bornheim, S. et al. French translation and validation of the sarcopenia screening tool SARC-F. Eur Geriatr Med 9, 29–37 (2018). https://doi.org/10.1007/s41999-017-0007-1
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DOI: https://doi.org/10.1007/s41999-017-0007-1