ArticleAsian spine journal2026
Trabecular bone score beyond bone mineral density for identifying osteoporotic vertebral compression fractures: a matched case-control study.
Article in Asian spine journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
STUDY
designRetrospective sex- and age-matched case-control study. PURPOSE: To assess bone mineral density (BMD)-trabecular bone score (TBS) discordance and high-burden abdominal aortic calcification (AAC) in patients with radiographically confirmed osteoporotic vertebral compression fracture (OVCF). OVERVIEW OF LITERATURE: Conventional BMD thresholds may fail to identify all patients with vertebral skeletal fragility, as vertebral fractures can occur despite nonosteoporotic BMD. TBS complements BMD by evaluating trabecular microarchitecture, while AAC may serve as a marker of systemic bone-vascular health associated with skeletal fragility.
methodsThis retrospective sex- and age-matched case-control study enrolled patients aged ≥50 years who underwent dual-energy X-ray absorptiometry (DXA) with TBS assessment and vertebral imaging. OVCF was defined as a Genant grade 2 or 3 vertebral fracture. The primary cohort included 47 OVCF patients and 188 matched controls. BMD T-scores at the lumbar spine, femoral neck, total hip, TBS, and AAC-24 were evaluated. Matched conditional logistic regression was used to determine associations with OVCF.
resultsMore than half of OVCF patients did not demonstrate osteoporotic BMD at any measured DXA site (53.2%). Among those with nonosteoporotic BMD, low TBS was more common in cases than in controls (48.0% vs. 22.7%). Low TBS remained independently associated with OVCF after adjusting for the lowest BMD T-score and high-burden AAC (odds ratio, 2.66; 95% confidence interval, 1.25-5.63; p =0.011). High-burden AAC was more frequent among cases, although its association was attenuated after adjustment.
conclusionsLow TBS may aid in identifying vertebral skeletal fragility in OVCF patients with nonosteoporotic BMD on conventional DXA. High-burden AAC may provide vascular information, although its incremental association beyond BMD and TBS was attenuated.
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