Background: Sarcopenia is associated with clinical complications that increase mortality in older adults. Current screening tools, such as Sarc-F and Sarc-CalF, focus primarily on muscular performance but have limited sensitivity in identifying elderly individuals at risk of sarcopenia. The present study aims to develop a more comprehensive sarcopenia risk screening tool, Sarc-Global, which integrates additional anthropometric and clinical variables to enhance the sensitivity and accuracy of sarcopenia risk assessment in older adults.
Methods: The aim of this cross-sectional study was to develop a sarcopenia risk screening tool, named Sarc-Global, with enhanced sensitivity, incorporating factors pertinent to the overall health of elderly individuals. Utilizing the criteria established by EWGSOP2 for diagnosing sarcopenia, we evaluated 395 community-dwelling elderly individuals. This evaluation served as a reference for assessing the efficacy of two validated questionnaires, Sarc-F and Sarc-CalF, and our newly developed Sarc-Global.
Results: Multiple logistic regression revealed that Sarc-Global integrates variables such as sex, age, medication use, body mass index, arm circumference, and handgrip strength, which are significantly associated with sarcopenia (p<0.001). When combined with Sarc-CalF, these variables form the basis of the Sarc-Global model. In screening for sarcopenia risk, Sarc-Global demonstrated superior accuracy, specificity, and sensitivity (74%), outperforming Sarc-F (21%) and Sarc-CalF (34%).
Conclusion: Sarc-Global proves to be an effective tool for identifying elderly individuals at risk of sarcopenia.
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