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단백질의 권장섭취량 충족 여부와 골격근량 감소와의 관계

Other Titles
 Difference of Low Skeletal Muscle Index According to Recommended Protein Intake in Korean 
 정지현  ;  이준혁  ;  권유진 
 Korean Journal of Family Practice (가정의학), Vol.9(6) : 539-545, 2019 
Journal Title
 Korean Journal of Family Practice (가정의학) 
Issue Date
Sarcopenia ; Recommended Dietary Allowance ; Protein Deficiency ; Muscle ; Skeletal
Background: Sarcopenia has become a major concern owing to its association with a high risk of fall or fracture and metabolic impairments. There is insufficient evidence to support the role of dietary protein intake in reducing the prevalence of sarcopenia. This study was conducted to investigate the variation in low skeletal muscle index (SMI) with the dietary levels of protein intake. Methods: This study analyzed data of 3,482 male and 4,838 female aged 50 years or older from the Korean National Health and Nutrition Examination Survey (KNHNES) database (2008–2011). Low SMI was indicated by a value <0.789 in male and <0.512 in female. Multiple logistic regression was performed to analyze the association of SMI with protein intake, whereby it was tested whether the dietary intake of proteins met the estimated average requirement (EAR) or the reference nutrient intake (RNI) as stated in the dietary reference intake (DRI) for Koreans, 2015. Results: Irrespective of sex, the prevalence of low SMI was significantly high when the protein intake did not meet the EAR or RNI. Following adjustment for covariates, the odds ratio (OR) for low SMI in subjects with unmet EARs was 1.63 (1.28–2.09) in male and 1.35 (1.10–1.66) in female. The OR for low SMI in subjects with unmet RNI was 1.74 (1.38–2.18) in male and 1.39 (1.14–1.69) in female. Conclusion: The prevalence of low SMI was significantly higher when the protein intake did not meet the EAR or RNI as stated in the DRI for Koreans.
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1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Yu-Jin(권유진) ORCID logo https://orcid.org/0000-0002-9021-3856
Lee, Jun-Hyuk(이준혁) ORCID logo https://orcid.org/0000-0002-1007-1633
Jung, Ji-Hyun(정지현)
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