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Prevalence of sarcopenia in Japanese women with osteopenia and osteoporosis

Sarcopenia and osteoporosis are both significant health burdens among postmenopausal women. This study examined associations between sarcopenia and osteopenia/osteoporosis in Japanese women and evaluated the prevalence of sarcopenia in women with osteopenia and osteoporosis. A total of 2400 Japanese...

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Bibliographic Details
Published in:Journal of bone and mineral metabolism 2013-09, Vol.31 (5), p.556-561
Main Authors: Miyakoshi, Naohisa, Hongo, Michio, Mizutani, Yoichi, Shimada, Yoichi
Format: Article
Language:English
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Summary:Sarcopenia and osteoporosis are both significant health burdens among postmenopausal women. This study examined associations between sarcopenia and osteopenia/osteoporosis in Japanese women and evaluated the prevalence of sarcopenia in women with osteopenia and osteoporosis. A total of 2400 Japanese women aged 40–88 years underwent dual-energy x-ray absorptiometry (DXA) scans of the whole body, lumbar spine, and total hip. Osteopenia and osteoporosis were defined according to World Health Organization criteria using bone mineral density (BMD) of the lumbar spine or hip. Sarcopenia was defined as a relative skeletal muscle index (RSMI) more than 2 standard deviations below the mean for a young adult reference population, calculated as the appendicular skeletal muscle mass (ASM) obtained from whole-body DXA divided by height in meters squared (RSMI = ASM/height 2 ). Significant and marginal/moderate positive correlations were observed between RSMI and lumbar spine/total hip BMDs ( r  = 0.197 and r  = 0.274, respectively; p  
ISSN:0914-8779
1435-5604
DOI:10.1007/s00774-013-0443-z