ArticleDiagnostics (Basel, Switzerland)2024
Cross-Cultural Adaptation and Validation of the Portuguese Version of the SARC-F in Community-Dwelling Older Adults.
Article in Diagnostics (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Translation, Cross-Cultural Adaptation, and Validation of the Croatian Version of the SARC-F Questionnaire for Assessing Sarcopenia in Older Adults.Healthcare (Basel, Switzerland) · 2026Article
- Cross-cultural adaptation and validation of the Arabic version of the SARC-F for evaluating sarcopenia in Saudi older adults.BMC geriatrics · 2025Article
- Reliability and Clinical Validity of the SARC-Global Questionnaire for Sarcopenia and Sarcopenic Obesity in Spanish Older Adults.Nutrients · 2025Article
- Nutritional Assessment in Outpatients with Heart Failure.Nutrients · 2024Observational
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Authors and funding
5 authors.
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Abstract
(1) Background: The goal of this study was to analyze the reliability and validity of the Portuguese version of the SARC-F in older adults. (2) Methods: A total of 100 participants (77.1 ± 7.36 years, 73% women) were included in the study. In a first phase, the Portuguese SARC-F was adapted following the standardized forward-backward translation procedure, and internal consistency as well as inter-rater and test-retest reliability of the Portuguese SARC-F were analyzed. Secondly, clinical validation was evaluated by comparing the SARC-F total score with five operational definitions of sarcopenia and with other sarcopenia-related measurements. Discriminant validity, with respect to low muscle mass and strength and physical function were analyzed. (3) Results: The Portuguese SAR-F showed acceptable internal consistency (Cronbach α = 0.82), excellent inter-rater reliability (total score), and substantial to excellent test-retest reliability (ICC = 0.891 for the total score). Specificity ranged from 72.5% (FNIH) to 73.4 (IGWS), and negative predictive values went from 91.8% (EWGSOP1) to 97.3% (FNIH), but low sensitivity and positive predictive value were observed. The Portuguese SARC-F showed a moderate ability to discriminate people with low muscle strength (AUC = 0.78) and gait speed (AUC = 0.89). (4) Conclusions: The Portuguese SARC-F is a valid and reliable tool for ruling out sarcopenia in community-dwelling older adults and can discriminate between people with low handgrip strength and gait speed.
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