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. 2023 Aug 30;11(17):2428.
doi: 10.3390/healthcare11172428.

Sarcopenia and Anemia in Elderly Koreans: A Nationwide Population-Based Study

Do-Youn Lee  1   2 , Sunghoon Shin  1   2
Affiliations

Sarcopenia and Anemia in Elderly Koreans: A Nationwide Population-Based Study

Do-Youn Lee et al. Healthcare (Basel). .

Abstract

Sarcopenia and anemia are common diseases in the elderly and are caused by various factors. In this study, the association between sarcopenia and anemia in an elderly Korean population was examined. The Korea Centers for Disease Control and Prevention's cross-sectional, nationally representative Korea National Health and Nutrition Examination Survey (KNHANES, 2008-2011) served as the source of the data for this study. Of the 2769 participants (1167 men and 1602 women) included in this study, a significant association was found between sarcopenia and anemia in the elderly in Korea. In Model 1, unadjusted for covariates, the prevalence of sarcopenia in all participants was 1.805 (95% CI 1.364-2.388) and 2.746 (95% CI 1.740-4.334) in men, and 1.494 (95% CI 1.045-2.138) in women. In Model 4, adjusted for all covariates, the prevalence of sarcopenia in all participants was 1.455 (95% CI 1.064-1.989) and 2.649 (95% CI 1.475-4.755) in men, but it was insignificant in women. While prior studies failed to consider variables such as exercise status and nutritional intake, this research incorporated these factors as covariates. Despite this comprehensive approach, this study still revealed an independent association between sarcopenia and anemia. Moreover, a significant association was uncovered among elderly men, with no corresponding association identified among women.

Keywords: anemia; elderly; hemoglobin; low muscle mass; sarcopenia.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Selection of participants from the Korea National Health and Nutrition Examination Survey 2008–2011.
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