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Prevalence of sarcopenia and sarcopenic obesity in the Korean population based on the Fourth Korean National Health and Nutritional Examination Surveys

Authors
Kim, YS; Lee, Y; Chung, YS; Lee, DJ; Joo, NS; Hong, D; Song, Ge; Kim, HJ; Choi, YJ; Kim, KM
Citation
The journals of gerontology. Series A, Biological sciences and medical sciences, 67(10):1107-1113, 2012
Journal Title
The journals of gerontology. Series A, Biological sciences and medical sciences
ISSN
1079-50061758-535X
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.
MeSH terms
AdultAgedAged, 80 and overAging/*pathologyFemaleHealth Surveys/statistics & numerical dataHumansMaleMiddle AgedNutrition Surveys/statistics & numerical dataObesity/complications/*epidemiologyPrevalenceRepublic of Korea/epidemiologySarcopenia/classification/complications/*epidemiologyYoung Adult
DOI
10.1093/gerona/gls071
PMID
22431554
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
Journal Papers > School of Medicine / Graduate School of Medicine > Family Practice & Community Health
AJOU Authors
이, 윤환정, 윤석이, 득주주, 남석홍, 두희최, 용준김, 광민
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