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Prevalence and Related Factors of Sarcopenia in Community-dwelling Elderly with Long-term Care Insurance

Author(s):

Masahiro Kitamura, Kazuhiro P. Izawa*, Kodai Ishihara, Hiroaki Matsuda, Soichiro Okamura and Koji Fujioka   Pages 1 - 6 ( 6 )

Abstract:


Background and Objective: The purpose of this investigation was to examine the prevalence, related factors, and cut-off value of body mass index for sarcopenia in community-dwelling elderly covered by long-term care insurance.

Methods: Design was A cross-sectional study. From among 113 consecutive community-dwelling elderly with long-term care insurance who underwent rehabilitation at one day care center in Japan from January 2016 to January 2018, those who were aged ≥65 years old and could walk were included. Those in whom skeletal muscle mass index could not be measured were excluded. The determination of sarcopenia was made according to the criteria of the Asian Working Group for Sarcopenia. We analyzed the data with the unpaired t-test, χ2 test, logistic regression analysis, and receiver operating characteristic curves.

Results: The 99 elderly meeting the criteria were included and divided into the sarcopenia group (n=36) and no sarcopenia group (n=63). The prevalence was 36.4%. The sarcopenia group was significantly older and had lower body mass index, skeletal muscle mass index, and grip strength than the no sarcopenia group (p <0.05). Age and body mass index were extracted as significant sarcopenia-related factors (p <0.05). The cut-off value of body mass index for sarcopenia was 22.6 kg/m2.

Conclusion: The prevalence of sarcopenia in the elderly in the long-term care insurance region was 36.4%, and age and body mass index were extracted as sarcopenia-related factors. The cut-off value of body mass index for sarcopenia was 22.6 kg/m2.

Keywords:

Sarcopenia, long-term care insurance, elderly, prevalence, body mass index, Japan.

Affiliation:

Department of Physical Therapy, Fukuoka Wajiro Professional Training College, Fukuoka #811-0213, Department of Public Health, Graduate School of Health Sciences, Kobe University, Kobe #654-0142, Department of Public Health, Graduate School of Health Sciences, Kobe University, Kobe #654-0142, Department of Rehabilitation, Rifuru Yukuhashi Day Care Center #824-0027, Yukuhashi, Department of Rehabilitation, Rifuru Yukuhashi Day Care Center #824-0027, Yukuhashi, Department of Rehabilitation, Rifuru Yukuhashi Day Care Center #824-0027, Yukuhashi



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