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KMID : 1039620150050030309
Korean Journal of Family Practice
2015 Volume.5 No. 3 p.309 ~ p.312
Correlation between Body Composition and Lumbar Spinal Bone Mineral Density in Females at the Age of 50 or More
Kang Seong-Min

Park Ji-Min
Lee Jae-Won
Lee Jin-Woo
Jo Jae-Bum
Kim Sun-Woo
Lee Ji-Ho
Abstract
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.
KEYWORD
Bone Density, Body Composition, Fat Mass, Muscle Mass
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