Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study
ABSTRACT Background Evidence regarding serum uric acid (SUA) and sarcopenia remains insufficient and controversial. Muscle mass is a basic and objective component of sarcopenia, and relative muscle loss has been used to define sarcopenia in some studies. We sought to investigate the association of S...
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Wiley
2025-06-01
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| Series: | Journal of Cachexia, Sarcopenia and Muscle |
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| Online Access: | https://doi.org/10.1002/jcsm.13867 |
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| author | Fuquan Wang Lin Wen Xiaopeng Guo Weiwei Wang Yanyan Cao Guofeng Zhou Jun Wang Chuansheng Zheng |
| author_facet | Fuquan Wang Lin Wen Xiaopeng Guo Weiwei Wang Yanyan Cao Guofeng Zhou Jun Wang Chuansheng Zheng |
| author_sort | Fuquan Wang |
| collection | DOAJ |
| description | ABSTRACT Background Evidence regarding serum uric acid (SUA) and sarcopenia remains insufficient and controversial. Muscle mass is a basic and objective component of sarcopenia, and relative muscle loss has been used to define sarcopenia in some studies. We sought to investigate the association of SUA levels with relative muscle loss in the National Health and Nutrition Examination Survey (NHANES) 2011–2018. Methods Relative muscle loss was defined by the Foundation for the National Institutes of Health (FNIH) as characterized by appendicular lean mass (ALM) adjusted by BMI (ALM/BMI) < 0.512 for women and < 0.789 for men. Multivariate logistic regression models were performed, and sample weights were accounted to reflect the nationally representative estimates. Restricted cubic spline regression was performed to visualize the dose–response relationship. Results A total of 8967 individuals (mean age 39.4 ± 0.3 years, female 50.1%) were included, with a mean SUA of 5.3 ± 0.02 mg/dL; 762 patients with relative muscle loss (weight prevalence 7.1%) were identified, and participants in the highest quintile of SUA exhibited the highest prevalence, up to 10.5%, while participants in the lowest quintile presented the lowest prevalence (5.3%). After adjusting for sociodemographic, behavioural factors, morbidities and renal function related indicators, participants in the highest quintile of SUA levels presented an elevated risk of relative muscle loss, with OR of 1.78 (95% CI: 1.24, 2.56), as compared with the lowest quintile. This association remained stable across most subgroups, and stronger associations were observed in groups with BMI < 25 kg/m2 and exceeding recommended physical activity levels (p for interaction < 0.05). Notably, a nonlinear association between SUA and relative muscle loss was observed in the overall populations, whereas a linear association was observed in men, participants with BMI < 25 kg/m2, and participants with exceeding recommended physical activity levels, with the risk of relative muscle loss increasing as SUA levels increased (p for overall < 0.01 and p for nonlinear > 0.05). Conclusions In summary, this study revealed that elevated SUA levels are a potentially independent risk factor of relative muscle loss among the US adults. Clinical screening for SUA levels may contribute to early detection and prevention of muscle loss. |
| format | Article |
| id | doaj-art-34fe3b4d4e6c4e9fbb31f9840bdd45c2 |
| institution | DOAJ |
| issn | 2190-5991 2190-6009 |
| language | English |
| publishDate | 2025-06-01 |
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| series | Journal of Cachexia, Sarcopenia and Muscle |
| spelling | doaj-art-34fe3b4d4e6c4e9fbb31f9840bdd45c22025-08-20T03:23:47ZengWileyJournal of Cachexia, Sarcopenia and Muscle2190-59912190-60092025-06-01163n/an/a10.1002/jcsm.13867Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional StudyFuquan Wang0Lin Wen1Xiaopeng Guo2Weiwei Wang3Yanyan Cao4Guofeng Zhou5Jun Wang6Chuansheng Zheng7Department of Radiology Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaDepartment of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Lab of Environment and Health School of Public Health, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaDepartment of Radiology Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaDepartment of Gastrointestinal Surgery Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaDepartment of Radiology Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaDepartment of Radiology Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaSchool of Food and Drug Shenzhen Polytechnic University Shenzhen ChinaDepartment of Radiology Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan ChinaABSTRACT Background Evidence regarding serum uric acid (SUA) and sarcopenia remains insufficient and controversial. Muscle mass is a basic and objective component of sarcopenia, and relative muscle loss has been used to define sarcopenia in some studies. We sought to investigate the association of SUA levels with relative muscle loss in the National Health and Nutrition Examination Survey (NHANES) 2011–2018. Methods Relative muscle loss was defined by the Foundation for the National Institutes of Health (FNIH) as characterized by appendicular lean mass (ALM) adjusted by BMI (ALM/BMI) < 0.512 for women and < 0.789 for men. Multivariate logistic regression models were performed, and sample weights were accounted to reflect the nationally representative estimates. Restricted cubic spline regression was performed to visualize the dose–response relationship. Results A total of 8967 individuals (mean age 39.4 ± 0.3 years, female 50.1%) were included, with a mean SUA of 5.3 ± 0.02 mg/dL; 762 patients with relative muscle loss (weight prevalence 7.1%) were identified, and participants in the highest quintile of SUA exhibited the highest prevalence, up to 10.5%, while participants in the lowest quintile presented the lowest prevalence (5.3%). After adjusting for sociodemographic, behavioural factors, morbidities and renal function related indicators, participants in the highest quintile of SUA levels presented an elevated risk of relative muscle loss, with OR of 1.78 (95% CI: 1.24, 2.56), as compared with the lowest quintile. This association remained stable across most subgroups, and stronger associations were observed in groups with BMI < 25 kg/m2 and exceeding recommended physical activity levels (p for interaction < 0.05). Notably, a nonlinear association between SUA and relative muscle loss was observed in the overall populations, whereas a linear association was observed in men, participants with BMI < 25 kg/m2, and participants with exceeding recommended physical activity levels, with the risk of relative muscle loss increasing as SUA levels increased (p for overall < 0.01 and p for nonlinear > 0.05). Conclusions In summary, this study revealed that elevated SUA levels are a potentially independent risk factor of relative muscle loss among the US adults. Clinical screening for SUA levels may contribute to early detection and prevention of muscle loss.https://doi.org/10.1002/jcsm.13867dose–response relationshipoxidative stressrelative muscle losssarcopeniaserum uric acid |
| spellingShingle | Fuquan Wang Lin Wen Xiaopeng Guo Weiwei Wang Yanyan Cao Guofeng Zhou Jun Wang Chuansheng Zheng Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study Journal of Cachexia, Sarcopenia and Muscle dose–response relationship oxidative stress relative muscle loss sarcopenia serum uric acid |
| title | Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study |
| title_full | Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study |
| title_fullStr | Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study |
| title_full_unstemmed | Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study |
| title_short | Association of Serum Uric Acid With Relative Muscle Loss: A US Population–Based Cross‐Sectional Study |
| title_sort | association of serum uric acid with relative muscle loss a us population based cross sectional study |
| topic | dose–response relationship oxidative stress relative muscle loss sarcopenia serum uric acid |
| url | https://doi.org/10.1002/jcsm.13867 |
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