Prevalence and associated factors of sarcopenia in community-dwelling older adults at risk of malnutrition

There is an increasingly strong association between sarcopenia and malnutrition in research findings. We aimed to determine the prevalence and factors associated with sarcopenia in community-dwelling older adults (≥ 65 years) at risk of malnutrition based on Malnutrition Universal Screening Tool (MU...

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Published inBMC geriatrics Vol. 22; no. 1; p. 997
Main Authors Chew, Samuel Teong Huang, Tey, Siew Ling, Yalawar, Menaka, Liu, Zhongyuan, Baggs, Geraldine, How, Choon How, Cheong, Magdalin, Chow, Wai Leng, Low, Yen Ling, Huynh, Dieu Thi Thu, Tan, Ngiap Chuan
Format Journal Article
LanguageEnglish
Published England BioMed Central Ltd 24.12.2022
BioMed Central
BMC
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Summary:There is an increasingly strong association between sarcopenia and malnutrition in research findings. We aimed to determine the prevalence and factors associated with sarcopenia in community-dwelling older adults (≥ 65 years) at risk of malnutrition based on Malnutrition Universal Screening Tool (MUST). This was a cross-sectional study of 811 participants. Participants were recruited from the general population, community centers, senior activity centers, polyclinics, and hospital. Community-dwelling older adults at risk of malnutrition participated in the study. Participants' data and measurements were collected at the baseline visit. Data included socio-demographic information, anthropometric measurements, body composition, dietary intakes, and functional assessments. Sarcopenia was defined using the Asian Working Group for Sarcopenia 2019 consensus. Of the 694 participants with complete datasets, overall prevalence of sarcopenia was 76% (n = 530); 57% (n = 393) had severe sarcopenia. In the overall cohort, compared to participants without sarcopenia, those with sarcopenia were older, had lower physical activity scale for the elderly score, leg strength, handgrip endurance, mid-upper arm circumference, calf circumference, and bone mass, and had lower dietary protein intake and poorer nutritional status (all p ≤ 0.015). After adjusting for confounders, sarcopenia was significantly associated with older age, male gender, higher risk of malnutrition, lower calf circumference, and lower bone mass (all p ≤ 0.044). In community-dwelling older adults at risk of malnutrition, there is a high prevalence of sarcopenia and severe sarcopenia. As such, screening positive for either malnutrition risk or sarcopenia in older adults should prompt screening for the other risk factor, to allow early institution of disease modifying interventions to forestall adverse outcomes for both malnutrition and sarcopenia. The study was registered at clinicaltrials.gov as NCT03245047 .
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ISSN:1471-2318
1471-2318
DOI:10.1186/s12877-022-03704-1