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Associations between self-reported masticatory dysfunction and frailty: A systematic review and meta-analysis

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  • Gotaro Kojima
  • Yu Taniguchi
  • Masanori Iwasaki
  • Reijiro Aoyama
  • Tomohiko Urano

Abstract

Background: Oral health is a key factor of overall health and closely associated with well-being and quality of life. Mastication is one the most important oral functions and may deteriorate with aging. Evidence on association between masticatory dysfunction and frailty in the literature is scarce and not coherent. Methods: A search strategy was developed to conduct a systematic review of the literature in PubMed, CINAHL, and AMED in accordance with the PRISMA 2020 guidelines. We searched for studies published in 2000 or later that examined associations between self-reported masticatory dysfunction and frailty risk. The reference lists of the relevant articles were reviewed for additional studies. We calculated pooled odds ratios (OR) of association between self-reported masticatory dysfunction and the risk of frailty by fixed-effects meta-analysis. The Joanna Briggs Institute Critical Appraisal Checklist was used to assess risk of bias. Publication bias was assessed by visually inspecting a funnel plot. Results: A total of 285 studies were identified by the literature search. Among 5 studies selected for this review, 4 cross-sectional studies including a total of 7425 individuals were used for meta-analysis. The pooled results by a fixed-effects model showed that there was a significant association between self-reported masticatory dysfunction and frailty risk (pooled OR = 1.83, 95%CI = 1.55–2.18, p

Suggested Citation

  • Gotaro Kojima & Yu Taniguchi & Masanori Iwasaki & Reijiro Aoyama & Tomohiko Urano, 2022. "Associations between self-reported masticatory dysfunction and frailty: A systematic review and meta-analysis," PLOS ONE, Public Library of Science, vol. 17(9), pages 1-9, September.
    • Handle: RePEc:plo:pone00:0273812
    DOI: 10.1371/journal.pone.0273812
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