Global prevalence of sarcopenia and severe sarcopenia: a systematic review and meta‐analysis

BACKGROUND: Sarcopenia is defined as the loss of muscle mass and strength. CONCLUSIONS: The prevalence of sarcopenia and severe sarcopenia varied considerably according to the classification and cut-off point used.

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• 1 Despite the seriousness of this disease, a single diagnostic criterion has not yet been established.
• 2 Few studies have reported the prevalence of sarcopenia globally, and there is a high level of heterogeneity between studies, stemmed from the diagnostic criteria of sarcopenia and the target population.
• 3 The aims of this systematic review and meta-analysis were (i) to identify and summarize the diagnostic criteria used to define sarcopenia and severe sarcopenia and (ii) to estimate the global and region-specific prevalence of sarcopenia and severe sarcopenia by sociodemographic factors.

Understanding this could lead to better treatments, improved diagnostics, or a deeper grasp of how the human body works — benefiting patient care globally.

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