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Title: Age-Adjusted Dual X-ray Absorptiometry–Derived Trabecular Bone Score Curve for the Lumbar Spine in Thai Females and Males
Authors: Chanika Sritara
Ammarin Thakkinstian
Boonsong Ongphiphadhanakul
Sasithorn Amnuaywattakorn
Chirawat Utamakul
Tawatchai Akrawichien
Prin Vathesatogkit
Piyamitr Sritara
Mahidol University
Electricity Generating Authority of Thailand
Keywords: Medicine
Issue Date: 1-Oct-2016
Citation: Journal of Clinical Densitometry. Vol.19, No.4 (2016), 494-501
Abstract: © 2016 The International Society for Clinical Densitometry Trabecular bone score (TBS), which has been shown to discriminate patients with fractures from healthy individuals, decreases with age. This study was conducted to derive an age-adjusted normative TBS curve for each gender aged 30–80 + years to serve as reference data for Thai males and females. A cross-sectional study was conducted among employees from the Electricity Generating Authority of Thailand cohorts, after excluding those with conditions potentially affecting bone metabolism and analysis. The values of TBS at L1–L4 vertebrae were analyzed using a commercial software. Age-adjusted TBS curves were constructed using segmental linear regression analysis for each gender. Additional analysis was also performed on TBS with age, body mass index, and body mineral density (BMD) at L1–L4 vertebrae as covariates. A database of 848 healthy subjects (341 females and 507 males) aged 30–80+ years was created. The BMDs of both male and female subjects in the youngest decade were not statistically different from previous reports (p = 0.31 and 0.22 for females and males, respectively). In this age group, the mean TBS was higher in females, albeit not statistically significant (p = 0.12). Between the ages of 30–80+ years, female and male TBS dropped by 19.8% (0.40% per year) and 10.1% (0.20% per year), respectively. The association with TBS was weak for body mass index and moderate for BMD (coefficients of about −0.01 and 0.4–0.5, respectively). The age-adjusted reference curves for healthy Thai females and males aged 30–80+ years have been established.
ISSN: 15590747
Appears in Collections:Scopus 2016-2017

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