연령증가에 따른 유아 골밀도의 평가차트 구축

藤井勝紀; 可兒勇樹; 糟谷浩輔; 김준동

doi:10.35159/kjss.2018.04.27.2.1241

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저널정보

한국체육과학회
한국체육과학회지 학술저널
한국체육과학회지 제27권 제2호 (자연과학 편)
2018.4 1,241 - 1,250 (10page)
DOI : 10.35159/kjss.2018.04.27.2.1241

저자정보

藤井勝紀 (愛知工業大学)
可兒勇樹 (愛知工業大学)
糟谷浩輔 (愛知工業大学)
김준동 (덕성여자대학교)

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초록·키워드

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A clear method for evaluating bone density findings in young children has not been established. One reason behind this is that the changes with age in bone density during early childhood have not been clarified. In this study, a mixed cohort method was adopted and a least squares approximation polynomial was applied to bone density indices (stiffness, BUA, SOS) of children from 3 to 5 years old. We then attempted to construct a bone density evaluation chart for early childhood by clarifying the changes in bone density with age. The method was to measure bone density in 3, 4, and 5 year-old children, and then analyze the age-related changes in the bone density index data obtained in a mixed cohort. The results showed changes with age in the values for stiffness and SOS. The optimal polynomial obtained with least squares approximation was shown to be a third order polynomial for boys and a fourth order polynomial for girls. Therefore, in the standard regression evaluation chart for stiffness values a third order polynomial was applied for boys and a fourth order polynomial was applied for girls. An evaluation chart was constructed from a 5-grade regression evaluation. Normalization was then seen in the frequency distribution, and the bone density evaluation constructed in this study for young children was seen to be effective. The mixed cohort in this study did not provide fundamentally simple cross-sectional data but rather semi-longitudinal data that included almost all tracking data from the same subjects. Therefore, clarification of the trends in changes with age in stiffness has great significance.

#Bone mineral density #Preschool children #Change with age #Evaluation chart