Changes in Sarcopenia Stages and Its Related Factors among Community-Dwelling Older Adults in South Korea
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This is a prospective study with 1 year follow up to identify changes in sarcopenia stages and its related factors among community-dwelling older adults in South Korea. A total of 241 older adults (≥70 years old) were assessed 2 times during 1 year follow up. Sarcopenia was defined based on the Asian Working Group of Sarcopenia recommendations. As a result, 34 participants (14.1%) experienced deterioration into worse stage of sarcopenia, whereas 7.9% of the older adults experienced improvement into better stage of sarcopenia for 1 year. A slower gait speed, poorer nutritional status, and little aerobic exercise using machine were predictive factors of deterioration in sarcopenia stage. Participants who did more exercise during a week and had lower body mass index tended to be improved in their sarcopenia stages. This study revealed that sarcopenia is reversible condition among community-dwelling older adults. There were differences in factors associated with deterioration and improvement in sarcopenia stages during short period. Therefore, different approach is needed to develop intervention for preventing and delaying deterioration or reversing sarcopenia status.
KeywordsSarcopenia Aged Cohort study
Compliance with Ethical Standards
Conflict of Interest
All the authors declare no conflict of interest.
Informed consent was obtained from all participants included in the study.
Ethical Treatment of Experimental Subjects (Animal and Human)
This article does not contain any studies with human participants or animals performed by any of the authors.
This study was conducted after gaining the approval of the Institute Review Board of Seoul National University (E1604/001–005). All procedures performed in this study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
This study was supported and funded by College of Medicine, Seoul National University (800–20150098).
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