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

Journal of cachexia, sarcopenia and muscle, 2022-02, Vol.13 (1), p.86-99 [Peer Reviewed Journal]

2021 The Authors. Journal of Cachexia, Sarcopenia and Muscle published by John Wiley & Sons Ltd on behalf of Society on Sarcopenia, Cachexia and Wasting Disorders. ;2022. This work is published under http://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2190-5991 ;EISSN: 2190-6009 ;DOI: 10.1002/jcsm.12783 ;PMID: 34816624

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  • Title:
    Global prevalence of sarcopenia and severe sarcopenia: a systematic review and meta‐analysis
  • Author: Petermann‐Rocha, Fanny ; Balntzi, Viktoria ; Gray, Stuart R. ; Lara, Jose ; Ho, Frederick K. ; Pell, Jill P. ; Celis‐Morales, Carlos
  • Subjects: Absorptiometry, Photon ; Adolescent ; Adult ; Aged ; Alzheimers disease ; Classification ; Electric Impedance ; Female ; Hand Strength ; Humans ; Male ; Meta-analysis ; Older people ; Prevalence ; Review ; Reviews ; Sarcopenia ; Sarcopenia - diagnosis ; Sarcopenia - epidemiology ; Systematic review ; Working groups
  • Is Part Of: Journal of cachexia, sarcopenia and muscle, 2022-02, Vol.13 (1), p.86-99
  • Description: Background Sarcopenia is defined as the loss of muscle mass and strength. Despite the seriousness of this disease, a single diagnostic criterion has not yet been established. 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. 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. Methods Embase, MEDLINE, and Web of Science Core Collections were searched using relevant MeSH terms. The inclusion criteria were cross‐sectional or cohort studies in individuals aged ≥18 years, published in English, and with muscle mass measured using dual‐energy x‐ray absorptiometry, bioelectrical impedance, or computed tomography (CT) scan. For the meta‐analysis, studies were stratified by diagnostic criteria (classifications), cut‐off points, and instruments to assess muscle mass. If at least three studies reported the same classification, cut‐off points, and instrument to measure muscle mass, they were considered suitable for meta‐analysis. Following this approach, 6 classifications and 23 subgroups were created. Overall pooled estimates with inverse‐variance weights obtained from a random‐effects model were estimated using the metaprop command in Stata. Results Out of 19 320 studies, 263 were eligible for the narrative synthesis and 151 for meta‐analysis (total n = 692 056, mean age: 68.5 years). Using different classifications and cut‐off points, the prevalence of sarcopenia varied between 10% and 27% in the studies included for meta‐analysis. The highest and lowest prevalence were observed in Oceania and Europe using the European Working Group on Sarcopenia in Older People (EWGSOP) and EWGSOP2, respectively. The prevalence ranged from 8% to 36% in individuals <60 years and from 10% to 27% in ≥60 years. Men had a higher prevalence of sarcopenia using the EWGSOP2 (11% vs. 2%) while it was higher in women using the International Working Group on Sarcopenia (17% vs. 12%). Finally, the prevalence of severe sarcopenia ranged from 2% to 9%. Conclusions The prevalence of sarcopenia and severe sarcopenia varied considerably according to the classification and cut‐off point used. Considering the lack of a single diagnostic for sarcopenia, future studies should adhere to current guidelines, which would facilitate the comparison of results between studies and populations across the globe.
  • Publisher: Germany: John Wiley & Sons, Inc
  • Language: English
  • Identifier: ISSN: 2190-5991
    EISSN: 2190-6009
    DOI: 10.1002/jcsm.12783
    PMID: 34816624
  • Source: GFMER Free Medical Journals
    MEDLINE
    PubMed Central
    Wiley Blackwell Open Access Titles
    ProQuest Central
    DOAJ Directory of Open Access Journals
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