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KMID : 1100120180250040219
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대한골대사학회지
2018 Volume.25 No. 4 p.219 ~ p.226
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Which Index for Muscle Mass Represents an Aging Process?
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Kim Hyung-Kook
Lee You-Jin
Lee Young-Kyun
Kim Hong-Ji
Koo Kyung-Hoi
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Abstract
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Background: Although studies and interest in sarcopenia have increased, it is still a matter of debate which muscle mass index better represents the aging process. We compared 3 indices for muscle mass (appendicular skeletal muscle mass [ASM]/weight, ASM/height2, and the body mass index [BMI]-adjusted muscle mass index [ASM/BMI]) to determine which better reflected the aging process in terms of the decline in bone mineral density (BMD), visual acuity (VA), hearing power, renal function, pulmonary function, and handgrip strength.
Methods: We performed a retrospective cross-sectional study using the Korea National Health and Nutrition Examination Survey in the Korean population. Between 2008 and 2011, a total of 14,415 men and 17,971 women aged 10 years or older participated in the study. We plotted the changes in the 3 indices of muscle mass and compared these with changes in BMD, VA, hearing power, renal function, pulmonary function, and handgrip strength according to each age group.
Results: The ASM/BMI showed similar changes in terms of surrogate markers of the aging process, while the ASM/weight and ASM/height2 showed no correlation.
Conclusions: Among muscle indices for sarcopenia, only the ASM/BMI represented the aging process.
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KEYWORD
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Aging, Sarcopenia
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