Prevalence of sarcopenia and sarcopenic obesity in the Korean population based on the fourth Korean National health and nutritional examination surveys
Abstract
BACKGROUND: Sarcopenia is an important factor of functional impairment related to aging. This study is conducted to investigate the prevalence of sarcopenia and sarcopenic obesity in Korean population. METHODS: Representative Korean men (4,486) and women (5,999) aged 20 years or older were analyzed from the Fourth Korean National Health and Nutritional Examination Surveys. Sarcopenia was classified into Class I defined relative skeletal muscle mass loss within 1-2 SD of the gender-specific mean for healthy young adults and Class II below 2 SD. Relative skeletal muscle mass was represented by the appendicular skeletal muscle mass adjusted by height and body weight. Sarcopenic obesity was considered present in Class II sarcopenic participants whose waist circumference was more than or equal to 90 cm for men and more than or equal to 85 cm for women, respectively. RESULTS: The prevalence of Class II sarcopenia in the Korean elderly population was 12.4% for men and 0.1% for women by height-adjusted definition and 9.7% for men and 11.8% for women by weight-adjusted definition. The prevalence of sarcopenic obesity was 7.6% for men and 9.1% for women by weight-adjusted definition but nearly zero for men and women by height-adjusted definition. The prevalence of sarcopenia increased with age for men but for women only when applied with weight-adjusted definition. CONCLUSIONS: The prevalence of sarcopenia and sarcopenic obesity differs by gender and definition criteria. The height-adjusted definition may tend to underestimate the prevalence of sarcopenia and sarcopenic obesity, especially in women.
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In Korean NHANES IV, the prevalence of sarcopenic obesity was 7.6% for men and 9.1% for women based on ALM/weight (%), but nearly zero for men and women using the ALM/ht2 definition in the elderly population aged ≥65 years.
“The prevalence rate of sarcopenic obesity was 7.6% for men and 9.1% for women based on ALM/weight (%). However, the rate was nearly zero for men and women using the ALM/ht2 definition in the elderly population aged ≥65 years (32).”
From Health Consequences of Sarcopenic Obesity: A Narrative Review (2020) · cites this paper as [32]
The prevalence of sarcopenic obesity varies between 2% and 85%.
“The prevalence of SO varies between 2% and 85%.”
From The critical role of oxidative stress in sarcopenic obesity (2021) · cites this paper as [21]
The wide range of sarcopenic obesity prevalence depends on heterogeneity of SO definitions, the analyzed population, and different criteria and/or diagnostic methods of obesity and sarcopenia.
“This wide range depends on the heterogeneity of SO definitions, the analyzed population, and the different criteria and/or diagnostic methods of obesity and sarcopenia [7, 19–21].”
From The critical role of oxidative stress in sarcopenic obesity (2021) · cites this paper as [21]
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- Authors
- Kim, Y.-S., Lee, Y., Chung, Y.-S., Lee, D.-J., Joo, N.-S., Hong, D., Song, G. E., Kim, H.-J., Choi, Y. J., & Kim, K.-M.
- Affiliations
- Ajou University (KR)
- Ajou University Medical Center (KR)
- Venue
- The Journals of Gerontology Series A: Biological Sciences and Medical Sciences
- Publisher
- Oxford University Press (OUP)
- Published
- 2012-03-19
- Volume
- 67
- Issue
- 10
- Pages
- 1107-1113
- ISSN
- 1079-5006 (ISSN-L)
- 1758-535X
- OpenAlex
- W2104969468
- Cited by
- 327
- References
- 33
- Citations by year
- 2026: 11 · 2025: 17 · 2024: 24 · 2023: 24 · 2022: 23 · 2021: 35 · 2020: 29 · 2019: 18 · 2018: 34 · 2017: 18 · 2016: 25 · 2015: 24 · 2014: 26 · 2013: 13 · 2012: 3
- FWCI
- 14.15
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journals of Gerontology Series A (publishedVersion)
- PubMed (publishedVersion)
- AJOU Open Repository (Ajou University) (submittedVersion)
- Funders
- Centers for Disease Control and Prevention
- Topics
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
- Keywords
- sarcopenia, sarcopenic obesity, prevalence, Korean population, appendicular skeletal muscle mass, waist circumference, sex differences, aging, functional disability
- MeSH terms
- Adult, Aged, Aged, 80 and over, Aging, Female, Health Surveys, Humans, Male, Middle Aged, Nutrition Surveys, Obesity, Prevalence, Young Adult, Sarcopenia, Republic of Korea
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