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Race/ethnic difference in trabecular bone score in midlife women: The Study of Women’s Health Across the Nation (SWAN)

Race/ethnic difference in trabecular bone score in midlife women: The Study of Women’s Health... SummaryThere was no difference in Trabecular Bone Score (TBS) comparing White and Black women after adjusting for body mass index (BMI) and diabetes status. Japanese women had lower TBS than White women. Our results diverge from established differences in fracture rates by race/ethnicity.IntroductionThe TBS was developed as an indirect measure of vertebral bone microarchitecture derived from texture analysis of lumbar spine DXA scans. There is little information on race/ethnic differences in TBS.MethodsWe compared TBS in 656 White, 492 Black, and 268 Japanese pre- and early perimenopausal women. We used a beta version of TBS that accounts for tissue thickness using DXA measured soft tissue thickness rather than BMI. The relation between BMI and tissue thickness corrected TBS differed by BMI; we used a three-segment linear spline to adjust for BMI.ResultsThe women were, on average, 46.5 years of age; 50% were premenopausal. In BMI and diabetes adjusted models, there was no difference in TBS between White and Black women. TBS was modestly (2%) lower in the Japanese women compared to White women, p = 0.04. In a sensitivity analysis, restricting the analysis to those with BMI 24–31 kg/m2, results were similar.ConclusionsTBS was similar in Black and White women after accounting for tissue thickness and adjusting for BMI, diabetes, and other covariates. The Japanese women had modestly lower TBS. These results diverge from established race/ethnic differences in fracture rates and areal bone mineral density, underscoring the need for further studies. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Osteoporosis Springer Journals

Race/ethnic difference in trabecular bone score in midlife women: The Study of Women’s Health Across the Nation (SWAN)

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References (25)

Publisher
Springer Journals
Copyright
Copyright © International Osteoporosis Foundation and National Osteoporosis Foundation 2021
ISSN
1862-3522
eISSN
1862-3514
DOI
10.1007/s11657-021-00951-4
Publisher site
See Article on Publisher Site

Abstract

SummaryThere was no difference in Trabecular Bone Score (TBS) comparing White and Black women after adjusting for body mass index (BMI) and diabetes status. Japanese women had lower TBS than White women. Our results diverge from established differences in fracture rates by race/ethnicity.IntroductionThe TBS was developed as an indirect measure of vertebral bone microarchitecture derived from texture analysis of lumbar spine DXA scans. There is little information on race/ethnic differences in TBS.MethodsWe compared TBS in 656 White, 492 Black, and 268 Japanese pre- and early perimenopausal women. We used a beta version of TBS that accounts for tissue thickness using DXA measured soft tissue thickness rather than BMI. The relation between BMI and tissue thickness corrected TBS differed by BMI; we used a three-segment linear spline to adjust for BMI.ResultsThe women were, on average, 46.5 years of age; 50% were premenopausal. In BMI and diabetes adjusted models, there was no difference in TBS between White and Black women. TBS was modestly (2%) lower in the Japanese women compared to White women, p = 0.04. In a sensitivity analysis, restricting the analysis to those with BMI 24–31 kg/m2, results were similar.ConclusionsTBS was similar in Black and White women after accounting for tissue thickness and adjusting for BMI, diabetes, and other covariates. The Japanese women had modestly lower TBS. These results diverge from established race/ethnic differences in fracture rates and areal bone mineral density, underscoring the need for further studies.

Journal

Archives of OsteoporosisSpringer Journals

Published: Jun 8, 2021

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