Letter to the Editor: Clarity and quality assessment of epidemiology of sarcopenia: Prevalence, risk factors, and consequences

We have read the review titled “Epidemiology of sarcopenia: Prevalence, risk factors, and consequences” by Yuan and Larsson [ [1] Yuan S. Larsson S.C. Epidemiology of sarcopenia: prevalence, risk factors, and consequences [published online ahead of print, 2023 Mar 11]. Metabolism. 2023; 155533https://doi.org/10.1016/j.metabol.2023.155533 Abstract Full Text Full Text PDF PubMed Scopus (5) Google Scholar ] recently published in Metabolism. We appreciate the authors for selecting this highly important topic which is growing in relevance as most countries face aging populations. However, there is some uncertainty on the type of review conducted, and methodological issues that question the validity of the findings.