ArticleTropical medicine & international health : TM & IH2023
Skeletal muscle mass and all-cause mortality: Findings from the CRONICAS cohort study.
Article in Tropical medicine & international health : TM & IH, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 8 citations in OpenAlex.
- Association of estimated muscle mass and its changes with all-cause mortality: a Chinese population-based cohort study.BMC geriatrics · 2026Article
- Cisplatin-Induced Skeletal Muscle Atrophy: Biomolecular Mechanisms and the Protective Role of Exercise-Induced Myokines.Biomolecules · 2025Review
- Can simple measures from clinical practice serve as a proxy for sarcopenic obesity and identify mortality risk?Aging clinical and experimental research · 2024Article
- Anthropometric equation has sufficient diagnostic capacity to identify sarcopenia in women with breast cancer.BMC cancer · 2024Article
- The Association between the L3 Skeletal Muscle Index Derived from Computed Tomography and Clinical Outcomes in Patients with Urinary Tract Infection in the Emergency Department.Journal of clinical medicine · 2023Article
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
Abstract
objectiveWe aimed (1) to evaluate the agreement between two methods (equation and bio-impedance analysis [BIA]) to estimate skeletal muscle mass (SMM), and (2) to assess if SMM was associated with all-cause mortality risk in individuals across different geographical sites in Peru.
methodsWe used data from the CRONICAS Cohort Study (2010-2018), a population-based longitudinal study in Peru to assess cardiopulmonary risk factors from different geographical settings. SMM was computed as a function of weight, height, sex and age (Lee equation) and by BIA. All-cause mortality was retrieved from national vital records. Cox proportional-hazard models were developed and results presented as hazard ratios (HRs) with 95% confidence intervals (95% CIs).
resultsAt baseline, 3216 subjects, 51.5% women, mean age 55.7 years, were analysed. The mean SMM was 23.1 kg (standard deviation [SD]: 6.0) by Lee equation, and 22.7 (SD: 5.6) by BIA. Correlation between SMM estimations was strong (Pearson's ρ coefficient = 0.89, p < 0.001); whereas Bland-Altman analysis showed a small mean difference. Mean follow-up was 7.0 (SD: 1.0) years, and there were 172 deaths. In the multivariable model, each additional kg in SMM was associated with a 19% reduction in mortality risk (HR = 0.81; 95% CI: 0.75-0.88) using the Lee equation, but such estimate was not significant when using BIA (HR = 0.98; 95% CI: 0.94-1.03). Compared to the lowest tertile, subjects at the highest SMM tertile had a 56% reduction in risk of mortality using the Lee equation, but there was no such association when using BIA estimations.
conclusionThere is a strong correlation and agreement between SMM estimates obtained by the Lee equation and BIA. However, an association between SMM and all-cause mortality exists only when the Lee equation is used. Our findings call for appropriate use of approaches to estimate SMM, and there should be a focus on muscle mass in promoting healthier ageing.
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