KMID : 1039620150050030309
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Korean Journal of Family Practice 2015 Volume.5 No. 3 p.309 ~ p.312
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Correlation between Body Composition and Lumbar Spinal Bone Mineral Density in Females at the Age of 50 or More
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Kang Seong-Min
Park Ji-Min Lee Jae-Won Lee Jin-Woo Jo Jae-Bum Kim Sun-Woo Lee Ji-Ho
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Abstract
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Background : We analyzed the relationship between body composition and lumbar spinal bone mineral density (BMD) in women aged 50 or older.
Methods : The study participants included 257 women aged 50 or older with no history of treatment for osteoporosis who underwent medical examinations including body composition analysis and lumbar spinal dual-energy X-ray absorptiometry at at Sung-Ae Hospital over one year (2014). Pearson correlation analysis and multiple regression analysis were conducted to determine whether age, height, weight, body mass index (BMI), fat mass, fat percentage, or muscle mass were related to lumbar spinal BMD.
Results : In women aged 50 or older, lumbar spinal BMD had a negative Pearson correlation with age and positive correlations with height, weight, and muscle mass. After correcting for age and weight, the significant positive correlations with height and muscle mass persisted, and a correlation with BMI was also found. Stepwise multiple regression analysis showed age and muscle mass to be significantly associated with lumbar spinal BMD.
Conclusion : Our study appears to confirm age and muscle mass as significant factors determining lumbar spinal BMD in women aged 50 or older; as they grow older and their muscle mass decreases, lumbar spinal BMD decreases correspondingly.
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KEYWORD
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Bone Density, Body Composition, Fat Mass, Muscle Mass
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