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ArticleOsteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA2025

Modified criteria for identifying elevated bone mass.

Jiangjie Chen, Lingling Cao, Chenghao Xu, Fangying Lu, Liwei Zhang, Anpeng Xu, Yahong Chen, Tao-Hsin Tung, Dun Hong

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Article in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2025. 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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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Jiangjie ChenBone Metabolism and Development Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Lingling CaoDepartment of Radiology, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Chenghao XuBone Metabolism and Development Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Fangying LuBone Metabolism and Development Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Liwei ZhangBone Metabolism and Development Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Anpeng XuDepartment of Orthopedics, Linhai Second People's Hospital, Linhai, 317000, Zhejiang, China.
Yahong ChenDepartment of Health Management, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China.
Tao-Hsin TungDepartment of Clinical Research, Enze Medical Center, Taizhou, China.
Dun HongBone Metabolism and Development Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, 150 Ximen St., Linhai, 317000, Zhejiang, China. hongd@enzemed.com.ORCID http://orcid.org/0000-0002-2094-4987

Funding

National Natural Science Foundation of China 82202738Natural Science Foundation of Zhejiang Province TGY24H250007
6 · The paper itself

Abstract

This study used modified criteria to exclude osteoporosis and osteopenia from elevated bone mass (EBM) to avoid a diagnostic paradox and demonstrated that diffuse idiopathic skeletal hyperostosis (DISH), severe lumbar degenerative disease (LDD), elevated body mass index (BMI), and diabetes are key risk factors for super EBM (SEBM). PURPOSE: The current criteria classify individuals with both EBM and osteopenia/osteoporosis. To avoid this contradiction, we used a modified criterion to exclude osteoporosis or osteopenia from EBM and to examine the clinical impact and risk factors of EBM.

methodsIn this retrospective study, bone mineral density (BMD) data from participants aged 18 years or older collected at a tertiary hospital between 2021 and 2023 were analyzed. Inclusion criteria were complete Z-scores and T-scores for the lumbar spine, femoral neck, and total hip. Participants with a history of lumbar spine surgery or hip arthroplasty prior to BMD measurement were excluded. Normal bone mass (NBM) was defined as T-scores ≥ -1.0 at all sites and Z-scores < 2.5 at any site. EBM was defined as NBM plus Z-scores ≥ 2.5 at any site. EBM was further subdivided into moderate EBM (MEBM) with Z-scores between 2.5 and 4.0, and SEBM with Z-scores ≥ 4.0. Demographic data, medical history, and comorbidities were collected and analyzed.

resultsOf the 33,479 eligible participants, 1,472 (4.4%) were identified with EBM. The EBM group was divided into 1,267 (3.8%) with MEBM and 205 (0.6%) with SEBM. SEBM group had a significantly higher proportion of men and a higher BMI than the MEBM group (p < 0.001). In addition, SEBM group had a higher prevalence of conditions such as DISH, ankylosing spondylitis (AS), LDD, and diabetes (p < 0.001). Different correlation trends between BMI, T-scores, and Z-scores were observed in the SEBM and MEBM groups. Chi-squared Automatic Interaction Detection (CHAID) analysis identified DISH as the strongest predictor of SEBM, while severe LDD, increased BMI, and diabetes were contributing factors for SEBM.

conclusionsUsing the modified criteria for EBM, which exclude cases of osteoporosis and osteopenia, SEBM has a higher rate of comorbidities compared to MEBM. The presence of DISH, higher severity of LDD, increased BMI, and diabetes were identified as strong risk factor of SEBM.

Indexed as

Bone DensityBone Diseases, MetabolicOsteoporosisAbsorptiometry, PhotonAdultAgedAged, 80 and overBody Mass IndexDiabetes MellitusFemaleFemur NeckHip JointHumansHyperostosis, Diffuse Idiopathic SkeletalLumbar VertebraeMaleBone mineral densityComorbiditiesDiagnosis criteriaElevated bone mass

Identifiers

PMID40478280
PMCPMC12373705

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.