SynthesisCurrent aging science2025
Prevalence of Sarcopenic Obesity in Elderly Population: A Meta-Analysis.
Synthesis in Current aging science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
backgroundSarcopenic obesity (SO) is characterized by the simultaneous presence of both obesity and sarcopenia in the same individual, and it is associated with adverse health outcomes such as falls, hospitalization, functional disability, and mortality. This study aimed to provide a comprehensive analysis of the prevalence of SO in the elderly population through a systematic review and meta-analysis of the scientific literature.
methodsA systematic search was conducted in the PubMed, Embase, Web of Science, and LILACS databases for observational studies published up to July 2023 on the prevalence of SO in individuals aged 65 years or older. Data were collected from the selected and included articles, including general study information, demographic characteristics of the samples, methods, and results. The quality of the studies was assessed using the Newcastle-Ottawa Scale (NOS) criteria. A random-effects model was applied for the quantitative synthesis (meta-analysis) of combined prevalence data, and the I-squared index (I²) was used to assess heterogeneity. Publication bias was evaluated using a funnel plot and Egger's test.
resultsA total of 37 articles meeting the eligibility criteria were selected and included in this meta-analysis. Heterogeneity among the studies was observed, along with evidence of publication bias. Most studies were classified as having a high risk of bias. The pooled prevalence of SO in the elderly was 10% (95% CI: 8%-12%; I²: 99.10%, p<0.001). A similar result was observed after stratification by sex, with a prevalence of 10% in both men (95% CI: 8%-12%; I²: 97.46%, p<0.001) and women (95% CI: 8%-12%; I²: 98.72%, p<0.001). Subgroup and sensitivity analyses revealed that the study setting, criteria used for the diagnosis of obesity, and the risk of bias in the studies were potential factors contributing to the heterogeneity in the prevalence of SO in the elderly.
conclusionsThis meta-analysis indicated a significant prevalence of SO among the elderly population, with no difference by sex, highlighting SO as a substantial health problem in this population. These findings underscore the importance of interventions to reduce the occurrence of SO in the elderly.
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