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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 (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.

Trial registration

The study was registered at as NCT03245047.

Peer Review reports


Globally, the proportion of older adults (≥ 65 years) increased from 6% in 1990 to 9% in 2019 [1]. This trend is led by Eastern and Southeastern Asia where the proportion of older adults has nearly doubled from 1990 to 2019 (6 to 11%) and is projected to double again by 2050 [1]. With aging comes increased risk for sarcopenia, a condition defined as age-related loss of muscle mass plus low muscle strength, and/or reduced physical performance [2].

Sarcopenia is common among older adults worldwide, although its prevalence varies widely by population, by care setting, and by diagnostic criteria used [3,4,5,6,7]. Asian studies report sarcopenia prevalence ranging from 18 to 41% in community-living older adults [3, 8, 9]. In Singapore, the prevalence of sarcopenia in community-dwelling older adults ranges from 23 to 46% [10,11,12].

Many factors have been reported to be associated with sarcopenia in community-dwelling older adults. Older age [8, 13] and low physical activity level [13] have been associated with sarcopenia. Anthropometric and physical measurements including low body mass index (BMI) [9, 14], small calf circumference [15], and low bone mass [16, 17] have been linked to sarcopenia. Disease conditions such as diabetes [18, 19], chronic obstructive pulmonary disease (COPD) [20], and cognitive impairment [21] have also been correlated with sarcopenia.

Among aging adults, malnutrition is likewise common and leads to adverse functional and clinical outcomes. A recent study conducted among community-dwelling older adults in Singapore found that 31.4% of participants were at risk of malnutrition and 3.9% were malnourished [22]. Older adults who were malnourished or at risk of malnutrition have higher risk of falls compared to those who were well-nourished [23]. Poor nutritional status also increases risk for disability and poorer quality of life in this cohort [24]. Malnutrition is also associated with increased risks of infection, frailty, and mortality [25,26,27].

Malnutrition and sarcopenia commonly overlap in older people [11, 27,28,29]. Studies have found that older adults with malnutrition or risk of malnutrition were at higher risk of sarcopenia compared with those of normal nutritional status. The odds ratio for sarcopenia ranges from 9.9 to 13.6 in the malnourished or at-risk groups [11, 29]. In addition, a cohort study over 4 years revealed a four-fold higher risk of developing sarcopenia in malnourished older adults compared to well-nourished older adults [28]. Notably, a team of multidisciplinary experts in Singapore made a consensus recommendation that all older adults should be screened early for muscle impairment and further treated, when needed, before sarcopenia becomes established and lead to adverse outcomes [30].

Therefore, the objectives of the present study were: (i) to determine the prevalence of sarcopenia and its components in community-dwelling older adults (≥ 65 years) who were at risk of malnutrition, and (ii) to identify factors that are associated with sarcopenia.


Study design and participants

Data for this analysis were collected as part of the Strengthening Health In ELDerly through nutrition (SHIELD) study, which involved community-dwelling older people at risk of malnutrition in Singapore. Data from the baseline visit were used in this cross-sectional study. Participants were recruited sequentially between August 2017 and March 2019. Full details of the SHIELD study design have been previously reported [31]. Briefly, participants were recruited based on the following inclusion criteria: males or females aged ≥ 65 years, community-ambulant with or without aid, and at medium- or high-risk of malnutrition using Malnutrition Universal Screening Tool (MUST) [32]. Study participants were community-dwelling (not residing in an intermediate or long-term care services institution) or were discharged directly to home after hospitalization. Individuals with stable chronic disease(s) were eligible. Stable, chronic disease was defined as a long-term condition treatable by regular medication such that symptoms could be controlled to those experienced by the participant when he or she was well.

Eligible participants could consume food and beverages orally, communicate, and follow instructions. Individuals were excluded if they had any of the following conditions: allergy or intolerance to milk products, dementia, type 1 or type 2 diabetes, an active infectious disease (e.g., tuberculosis, Hepatitis B or C, HIV infection), a severe gastrointestinal disorder (e.g., celiac disease, short bowel syndrome, pancreatic insufficiency), cystic fibrosis, end-stage organ failure, pre-terminal disease, acute myocardial infarction within the last 30 days, or active malignancy in the last 5 years.

A total of 811 eligible participants took part in this study. The study was approved by the SingHealth Centralized Institutional Review Board in Singapore, reference number 2017/2273. All participants gave written informed consent. The study was registered at as NCT03245047.

Study measurements

At the baseline study visit, a medical history was taken, and sarcopenia-related measurements were done. In addition, socio-demographic information, co-morbidities, dietary intakes, anthropometric measurements, body composition, and functional assessments were collected.

Socio-demographic data including age, gender, ethnicity, marital status, education, number of prescribed drugs, housing status, smoking status, and alcohol consumption were collected during the visit. The Charlson Comorbidity Index (CCI) was used to determine the comorbidity level based on the number and severity of comorbidities [33]. Energy and macronutrient intakes were estimated using 24-hour dietary recall.

Anthropometric measurements included height, mid-upper arm circumference (MUAC), and calf circumference. Standing height was measured using a stadiometer (Avamech B1000). Mid-upper arm circumference was measured at mid-point of the acromion and olecranon. Calf circumference was measured at the largest part of the calf.

Body weight and composition were determined using a bioelectrical impedance analysis (BIA) machine (Tanita MC-780). Body composition measurements included appendicular skeletal muscle mass (ASMM), fat mass, and bone mass. Appendicular skeletal muscle mass index (ASMI) was calculated by dividing appendicular skeletal muscle mass (ASMM) in kilograms (kg) by height in meters (m) squared (kg/m2).

Functional assessments were also measured during the study visit. Each participant’s physical activity level was determined using the Physical Activity Scale for the Elderly (PASE) [34]. The Modified Barthel Index (MBI) was used to measure functional independence for 10 activities of daily living [35]. Handgrip strength was measured using a hand-held dynamometer (DynX). Handgrip endurance was measured by asking participants to hold the hand-held dynamometer as long as possible at half-maximal voluntary contraction. Leg strength was determined by measuring isometric knee extension (Lafayette 01165). Physical performance was measured by the Short Physical Performance Battery (SPPB) consisting of three components, which includes the balance test, 4-m gait speed, and 5-time chair stand test [36].

Sarcopenia diagnosis

Diagnosis of sarcopenia was based on criteria from the updated consensus by the Asian Working Group for Sarcopenia 2019 [2]. Possible sarcopenia was defined by low muscle strength or low physical performance. Sarcopenia was defined by low ASMI plus low muscle strength or by low ASMI plus low physical performance. Severe sarcopenia was defined by low ASMI plus low muscle strength plus low physical performance.

Low ASMI was based on BIA gender-specific cut-off values (male < 7.0 kg/m2, female < 5.7 kg/m2). Handgrip strength was used to determine muscle strength; low muscle strength was identified by gender-specific handgrip strength cut-off values: male < 28 kg, female < 18 kg. The 5-time chair stand test was used to determine physical performance as a surrogate marker for gait speed [37]; low physical performance was determined by 5-time chair stand test with a cut-off value ≥ 12 seconds.

Statistical analysis

Data were presented as mean and standard error for continuous variables and as numbers and percentages for categorical variables. Continuous variables were compared between the groups (gender, age, and sarcopenia status) using analysis of variance and categorical variables were compared using Chi-square test or Fisher’s exact test.

Univariate logistic regression was used to examine the associations between sarcopenia and each potential variable. Multiple logistic regression was used to examine the associations between sarcopenia; potential variables were identified based on the literature in this area and on clinical relevance [2, 12, 20, 21, 38,39,40]. These variables include factors such as age, gender, ethnicity, education level, smoking and drinking status, malnutrition risk, calf circumference, bone mass, and PASE score. Multiple logistic regression analysis was applied when there was a single dichotomous outcome (sarcopenia versus no sarcopenia) and more than one independent variable. Results of both univariate and multiple logistic regression were reported as odds ratios with 95% confidence interval (CI). SAS version 9.4 (SAS Institute, Cary, North Carolina, USA) was used for all statistical analyses. P < 0.05 was considered statistically significant.


Of the original 811 community-dwelling older adults (≥ 65 years) who were identified to be at risk of malnutrition and met criteria for inclusion in the analysis, 117 were excluded due to missing data, i.e., 105 without one sarcopenia measurement, 11 without two sarcopenia measurements, and one participant without three sarcopenia measurements. Thus, 694 participants were included in the analysis. The overall prevalence of possible sarcopenia was 83% (n = 578), sarcopenia was 76% (n = 530), 57% (n = 393) of the cohort had severe sarcopenia, and only 1.7% (n = 12) had normal ASMI, normal grip strength, and normal physical performance (Table 1 and Fig. 1). By individual sarcopenia criterion, 81% of the study participants had low ASMI, 83% had low handgrip strength, and 78% had low physical performance (Table 1).

Table 1 Muscle mass, muscle strength, and physical performance of participants
Fig. 1
figure 1

Prevalence of sarcopenia and its components

There were significant differences between the sarcopenia group and the non-sarcopenic group in the overall cohort, in females, and in males (Table 2). Participants with sarcopenia were significantly older (all p ≤ 0.004), and they had lower PASE scores (all p ≤ 0.048). They also had lower mid-upper arm circumference, calf circumference, muscle mass, and bone mass (all p < 0.001). In addition, participants with sarcopenia had significantly lower ASMI, handgrip strength, SPPB score, 4-m usual gait speed, and higher 5-time chair test duration (all p ≤ 0.038). In terms of nutrition, those with sarcopenia had lower dietary protein intake and poorer nutritional status (MUST) compared to those without sarcopenia (all p ≤ 0.015).

Table 2 Characteristics of participants by sarcopenic status

Table 3 shows the factors associated with sarcopenia using univariate logistic regression in the overall cohort, in females, and in males. These factors included age, MUST risk, BMI, mid-upper arm circumference, calf circumference, bone mass, total SPPB score, and 5-time chair stand test score (all p ≤ 0.028).

Table 3 Factors associated with sarcopenia using univariate logistic regression

Table 4 shows the results from multiple logistic regression models for overall cohort, females, and males. In the overall cohort, after adjusting for confounders, sarcopenia was associated with older age, male gender, and higher risk of malnutrition. On the other hand, greater calf circumference and bone mass were associated with lower odds of having sarcopenia (Table 4) (all p ≤ 0.044). For every one-year increase in age holding other factors constant, the odds of having sarcopenia was 1.04 (95% CI: 1.00, 1.08). Females had significantly lower odds of having sarcopenia compared to males (0.15, 95% CI: 0.07, 0.29). Compared to older adults at medium risk of malnutrition, the odds of having sarcopenia was significantly higher among those at high risk of malnutrition (2.11, 95% CI: 1.32, 3.36). Calf circumference and bone mass were associated with lower odds of having sarcopenia (both p < 0.001).

Table 4 Factors associated with sarcopenia using multiple logistic regression models


To our knowledge, this is the first large-scale study of its kind that has reported the prevalence of sarcopenia and examined a wide range of associated factors in community-dwelling, relatively well, and independently living older adults who were at risk of malnutrition in Singapore. Given the high likelihood of both malnutrition and sarcopenia in community-dwelling older adults, we sought to quantify the clinical relationship between the two.

Results of our study highlight the high prevalence of sarcopenia in older adults who were at risk of malnutrition, i.e., 76% in the overall population with 57% qualifying as severe sarcopenia. Compared to participants without sarcopenia, those with sarcopenia were older, had lower dietary protein intake and PASE score. After adjusting for confounders, sarcopenia was significantly associated with older age, male gender, higher risk of malnutrition, lower calf circumference, and lower bone mass. As malnutrition risk (based on MUST risk category) increased from medium to high, risk for sarcopenia doubled. These findings suggest there is a need to conduct concomitant screening for muscle health and nutritional health in at-risk older adults. Early interventions can then be instituted to prevent further progression and to reverse deficits for both muscle and nutritional health [2, 41,42,43].

In the present study, using the individual criteria of the AWGS updated consensus 2019 [2], 81% of participants had low ASMI, 83% had low muscle strength, and 78% had low physical performance. Across Asia, low muscle mass was reported to occur commonly in community-dwelling older adults, ranging from 20 to 65% [12, 44,45,46,47]. Specifically referring to sarcopenia in older community-living Asian adults, the prevalence ranged from 18 to 46% [3, 8,9,10,11,12]. The prevalence range is also widely varied in countries around the world [48]; prevalence varies according to age [49] and community-dwelling or site of care [50, 51]. In a large meta-analysis of research studies around the world, the prevalence of sarcopenia in older adults varied between 10 and 27% for those ≥ 60 years; in this analysis, the highest prevalence rates were in Europe, while lower rates were found for Oceania and Asia [48]. Another meta-analysis of studies in multiple countries showed sarcopenia prevalence range of 1 to 29% in community-dwelling older adults and 14 to 33% in long-term care [50]. Most results were in the range of 20 to 40%, with the highest prevalence of 68% in the very old (≥ 80 years) [9]. In the present study, we found a sarcopenia prevalence of 76% because we focused on a population that was at risk of malnutrition.

There are differences in cut-off values and in the algorithm used to define sarcopenia when comparing the different versions of each guideline, e.g., AWGS 2019 [2] versus AWGS 2014 [52], and between the Asian versus the European guidelines [2, 53]. For example, the handgrip strength for men has increased from 26 kg to 28 kg, and the gait speed has increased from 0.8 m/s to 1.0 m/s in the AWGS 2019 guidelines. Five-time chair stand test is used as a surrogate marker for gait speed [37]. In terms of the differences between Asian and European guidelines, the Asian guideline includes both strength or physical performance as part of the diagnostic criteria for sarcopenia [2] whereas for the European guideline, physical performance is used as a measure of severity of sarcopenia [53]. For the results of the diagnostic algorithm to be meaningful, population specific cut-offs are essential. Hence, we have applied AWGS cut-offs for our study. For our study cohort, the prevalence of sarcopenia as determined by the AWGS 2019 was 76% versus 70% using AWGS 2014. The higher prevalence is due to the higher cut-offs in handgrip strength and gait speed in AWGS 2019 versus 2014. Two recent studies also reported this observation [12, 54].

Our findings confirm and extend reports from other Asian studies with regards the close association between malnutrition and sarcopenia. Malnutrition is an important contributor to poor muscle health due to many factors. In an energy deficient diet, amino acids and muscle are broken down and oxidized to generate energy to sustain life preserving functions. In a protein deficient diet, muscle protein turnover is in favor of muscle protein breakdown leading to a negative nitrogen balance and progressive loss of both muscle mass and function [42, 55]. Malnutrition also leads to deficiencies of micronutrients that are essential for the integrity and function of muscle, e.g., vitamin D and vitamin B12, leading to further muscle loss and function [56, 57]. This state of low energy, low muscle mass and low muscle function results in low physical strength and power, low physical activity, and low exercise tolerance. This low physical activity and low resting metabolic rate state then contributes to further reduced appetite and malnutrition, thereby completing the vicious perpetual cycle of malnutrition, sarcopenia, and frailty [58,59,60,61]. Hence in the early stages of this vicious cycle, malnutrition can be seen as the preceding condition which ultimately leads to sarcopenia and frailty.

In addition to the significant increase in risk of sarcopenia in malnourished versus normal nutrition in older adults, with odds ratio ranging from 9.9 to 13.6 [11, 29], our findings show that there is a doubling of odds ratio for sarcopenia amongst those at high risk versus medium risk of malnutrition. This association is further highlighted in a recent study from our group, which reported that compared to older adults with normal nutritional status, the odds of having low ASMI was 3.58 for those at medium risk of malnutrition and 12.50 for those at high risk of malnutrition [45]. Taken together, the presence of malnutrition is a strong predictor of concomitant poor muscle health. Hence, preventing and addressing malnutrition in older adults is of utmost importance to ensure good muscle health.

In the AWGS 2019 consensus guidelines, sarcopenia is considered an age-related condition of muscle loss and impairment [2]. In a community-dwelling Singaporean adult population (21 to 90 years old, n = 541), more than a third of participants (35%) who were at nutritional risk (determined by Mini Nutritional Assessment Short Form, MNA-SF) had sarcopenia [62]. In our study, the prevalence of sarcopenia was more than twice as high due to our cohort being adults aged 65 years and above only.

This age-related increase in sarcopenia prevalence has been widely reported [8, 13, 14]. For example, Pang et al. studied a Singaporean community population of adults and found 13.6% prevalence of sarcopenia in the full population (21 to 90 years old) but the prevalence was 32% among those older than 60 years [12]. Similarly, in a Vietnamese community study where participants had a higher mean age of 70 years, the overall prevalence of sarcopenia was also higher at 55% and older age was associated with a higher risk for sarcopenia [20]. The highest prevalence for sarcopenia of 68% was found in the very old (≥ 80 years) in a study from Thailand [9]. These findings in the literature highlight the important relationship between aging and sarcopenia.

Results of our current study showed that risk for sarcopenia was significantly greater for men than for women. Although the literature regarding gender-related differences shows inconsistency [63], our findings were similar to other Asian studies which had also found a higher prevalence in men [12, 14, 20, 64]. Thus, further research is required in this area.

Calf circumference is a recognized surrogate marker for muscle mass [53] and is also used as one of the criteria for case finding in sarcopenia [2]. A recent study from our group using the receiver operating characteristic (ROC) curve analysis reported that the cut-off values of calf circumference for low ASMI for men was < 33.4 cm and for women was < 32.2 cm [45], which is in line with AWGS 2019 consensus update case finding for sarcopenia cut-offs set at < 34 cm for men and < 33 cm for women [2]. Previous studies have reported that higher calf circumference was associated with lower odds of having sarcopenia [14, 15], and this relationship was also observed in the present study.

There is a known relationship between muscle health and bone health. Our study found an inverse association between sarcopenia and bone mass. Previous studies have reported that low bone mass was associated with sarcopenia [16, 17], with the prevalence of osteoporosis increased with increasing severity of sarcopenia [65]. Interventions that improve muscle health are likely to improve bone health [66]. Hence, older adults with low bone mineral density should also be screened for sarcopenia so that interventions can be initiated where appropriate to improve both muscle and bone health.

Research groups have also reported associations between sarcopenia and the presence of co-morbid disease conditions such as diabetes [18, 19] and cognitive impairment [21]. Nguyen et al. [20] found that malnutrition and chronic lung disease were associated with sarcopenia with odds ratio of 3.77 and 3.48 respectively. Our study population included community-dwelling older adults at risk of malnutrition who were otherwise relatively healthy, as determined by the Charlson comorbidity score. As such, the prevalence could be even higher in older adults with malnutrition risk and the additional burden of comorbidities.

Our study showed that compared to participants without sarcopenia, those with sarcopenia had lower dietary protein intake and had a lower mean PASE score. This relationship between sarcopenia and physical activity was highlighted in a recent study where moderate and low physical activity levels were associated with higher odds of having sarcopenia (OR of 4.12 and 7.02 respectively) compared to high physical activity levels [20].

Protein intake and physical activity are modifiable risk factors for sarcopenia, so these are ideal targets to prevent or delay the onset of sarcopenia [41, 42, 67,68,69,70,71]. Chew and others recently summarized evidence-based use of nutrition and progressive resistance exercise training as interventions to improve muscle health in older Asian adults [30]. In addition, our group recently reported that specialized oral nutritional supplement with dietary counseling significantly improved nutritional and functional outcomes in community-dwelling older adults at risk of malnutrition [31].

There is a strong and consistent finding from our study and others, which highlights that community screening of older adults for characteristics that reflect both nutritional status and muscle health could facilitate the early initiation of appropriate interventions to mitigate risk of adverse health outcomes for both malnutrition and sarcopenia before they become established.

Importantly, our findings revealed that among community-dwelling older adults at risk of malnutrition, over three quarters had sarcopenia. We found that the greater the malnutrition severity, the higher the risk for sarcopenia. Thus, screening, diagnosing, and treating malnutrition in community-dwelling older adults could be a useful strategy for concomitant early detection and management of sarcopenia in the same individuals. Validated and easy-to-use screening tools such as MUST and Mini Nutritional Assessment Short Form (MNA-SF) can be used to determine risk of malnutrition in older populations [72].

Our study was limited in that it was a cross-sectional design. We are thus constrained to report an association between malnutrition and sarcopenia, but we cannot prove that malnutrition was causal. We used BIA as a measure of muscle mass in our study. BIA has been validated [73, 74] and is recognized as one of the methods to measure muscle mass by AWGS [2] as well as by EWGSOP [53]. It is easy to use, inexpensive, safe, and non-invasive. However, it is an indirect measure of muscle mass, which is affected by the physical condition of the participants, such as hydration and extreme body mass index [75]. Such effects may influence the determination of low muscle mass when compared to use of whole body DEXA for the same cohort. Nevertheless, BIA is commonly used to determine the prevalence of low muscle mass and sarcopenia [47, 76, 77]. The other limitation of our study is also its’ strength, as our study cohort included relatively well, independently living older adults (as defined by the study eligibility criteria) hence limiting the generalizability of our findings. Importantly, it appears that the risk of being malnourished and sarcopenic will be even higher and more severe in cohorts of older adults with multimorbidity, inactivity, and frailty.


Sarcopenia and malnutrition are prevalent among older people and often co-exist in the same individual. In the present study, we found that three out of every four community-dwelling older adults at risk of malnutrition also fulfilled criteria for the diagnosis of sarcopenia. This suggests that the benefits of routine screening for malnutrition risk in community-dwelling older adults extends beyond nutrition and can facilitate the early diagnosis and management of sarcopenia. Addressing both malnutrition and sarcopenia is key to healthy aging and to supporting independent living for as long as possible in later life. Evidence-based interventions such as oral nutritional supplements and resistance exercise training are available and imperative.

Availability of data and materials

The datasets used and/or analyzed during the current study available from the corresponding author on reasonable request.



Appendicular skeletal muscle mass index


Appendicular skeletal muscle mass


Asian Working Group for Sarcopenia


Bioelectrical impedance analysis


Body mass index


Charlson Comorbidity Index


Confidence interval


Chronic obstructive pulmonary disease


Modified Barthel Index


Mini Nutritional Assessment Short Form


Mid-upper arm circumference


Malnutrition Universal Screening Tool


Odds ratio


Physical Activity Scale for the Elderly


Receiver operating characteristic


Strengthening Health In ELDerly through nutrition


Short Physical Performance Battery


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We would like to thank the participants for their commitment and enthusiasm in participating in this study. This study would not have been possible without all the invaluable contributions, dedication and commitment from all the co-investigators, study teams of Abbott Nutrition, Changi General Hospital, and SingHealth Polyclinics. We also thank Cecilia Hofmann, medical writer, C. Hofmann & Associates (Western Springs, Illinois, USA) for her assistance in manuscript review and editing.


This study received financial support from the Economic Development Board of Singapore, Abbott Nutrition Research and Development, and Changi General Hospital. Abbott Nutrition Research and Development and Changi General Hospital were involved in the study design, data collection and analysis, or preparation of the manuscript.

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Authors and Affiliations



S.T.H.C., S.L.T., G.B., C.H.H., M.C., W.L.C., Y.L.L., D.T.T.H., and N.C.T. conceptualized the study. S.L.T., M.Y., and G.B. analyzed the data. S.L.T. curated the data. S.T.H.C., S.L.T., and Z.L. drafted the manuscript. All authors reviewed and approved the manuscript.

Corresponding author

Correspondence to Siew Ling Tey.

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Ethics approval and consent to participate

The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the SingHealth Centralized Institutional Review Board in Singapore, reference number 2017/2273. All participants gave written informed consent.

Consent for publication

Not applicable.

Competing interests

S.L.T., Z.L., G.B., Y.L.L., and D.T.T.H. are employees of Abbott. M.Y. is an employee of Cognizant Technologies Solution Pvt. Ltd., a Contract Research Organization, which provides statistical services to Abbott Nutrition and has no competing interests. S.T.H.C. has previously received grant co-funding, travel grant and honoraria from Abbott Nutrition. All other authors declare no competing interests.

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Chew, S.T.H., Tey, S.L., Yalawar, M. et al. Prevalence and associated factors of sarcopenia in community-dwelling older adults at risk of malnutrition. BMC Geriatr 22, 997 (2022).

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  • Sarcopenia
  • Malnutrition
  • Older adults
  • Community-dwelling
  • Prevalence