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KMID : 1100120240310010021
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대한골대사학회지
2024 Volume.31 No. 1 p.21 ~ p.30
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Cross-Sectional and Longitudinal Associations between Forearm Bone Mineral Density and Anthropometry in Adult Japanese Men and Women
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Masahiro Ishizawa
Kazuya Fujihara
Junko Yachida
Izumi Ikeda
Takaaki Sato
Takaho Yamada
Ayako Kobayashi
Shiro Tanaka
Yoshimi Nakagawa
Takashi Matsuzaka
Hitoshi Shimano
Minoru Tashiro
Satoru Kodama
Kiminori Kato
Hirohito Sone
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Abstract
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Background: No consensus exists regarding which anthropometric measurements are related to bone mineral density (BMD), and this relationship may vary according to sex and age. A large Japanese cohort was analyzed to provide an understanding of the relationship between BMD and anthropometry while adjusting for known confounding factors.
Methods: Our cohort included 10,827 participants who underwent multiple medical checkups including distal forearm BMD scans. Participants were stratified into four groups according to age (≥50 years or <50 years) and sex. The BMD values were adjusted for confounding factors, after which single and partial correlation analyses were performed. The prevalence of osteopenia was plotted for each weight index (weight or body mass index [BMI]) class.
Results: Cross-sectional studies revealed that weight was more favorably correlated than BMI in the older group (R=0.278 and 0.212 in men and R=0.304 and 0.220 in women, respectively), whereas weight and BMI were weakly correlated in the younger age groups. The prevalence of osteopenia exhibited a negative linear relationship with weight among older women ≥50 years of age, and an accelerated increase was observed with decreasing weight in older men weighing <50 kg and younger women weighing <60 kg. When weight was replaced with BMI, the prevalence was low in most subgroups classified by weight.
Conclusions: Weight, rather than BMI, was the most important indicator of osteopenia but it might not be predictive of future bone loss.
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KEYWORD
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Anthropometry, Bone density, Cohort studies, Mass screening, Osteoporosis
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