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ORIGINAL RESEARCH article

Front. Med.

Sec. Geriatric Medicine

Volume 12 - 2025 | doi: 10.3389/fmed.2025.1664157

This article is part of the Research TopicAddressing Fracture Risk in Aging Populations: Integrated Prevention TacticsView all 9 articles

Predicting re-fracture risk factors in elderly osteoporotic vertebral fractures patients with comorbidities: development and validation of nomogram

Provisionally accepted
Bao  QiBao Qi1Qingquan  WuQingquan Wu1Guowu  ChenGuowu Chen1Lu  ZhangLu Zhang1Chunyang  MengChunyang Meng1*Wei  WeiWei Wei1Hong  WangHong Wang2*Qingwei  LiQingwei Li1,2*
  • 1Affiliated Hospital of Jining Medical University, Jining, China
  • 2China Medical University, Shenyang, China

The final, formatted version of the article will be published soon.

Background: Osteoporotic vertebral compression fractures (OVCFs) pose a significant health burden in elderly populations, with postoperative re-fracture (re.fra) complicating recovery. Existing models (e.g., FRAX, QFracture) inadequately address comorbidities and modifiable lifestyle factors. This study aimed to develop and validate a novel nomogram integrating these underrecognized yet critical predictors for personalized risk stratification. Methods: A retrospective cohort of 560 elderly OVCF patients undergoing percutaneous vertebroplasty (PVP) was analyzed. Patients were randomly divided into training (70%, n=392) and testing (30%, n=168) cohorts. Univariable and backward stepwise multivariable logistic regression identified independent re.fra predictors. A nomogram was developed and internally validated using area under the curve (AUC), calibration curves (slopes, intercepts), Brier scores, and decision curve analysis (DCA) to assess discrimination, calibration, and clinical utility. Results: Independent predictors included tumor history (adjusted odds ratio (aOR)=12.29, 95% CI:2.50–60.35), scoliosis (aOR=6.46, 95% CI:2.97–14.03), mental disorders (aOR=5.91, 95% CI: 2.73–12.82), alcohol use ≥10 years (aOR=3.69, 95% CI:1.90–7.17), and chronic kidney disease (aOR=3.12, 95% CI:1.61–6.06). Hypertension exhibited a paradoxical protective association (aOR=0.50, 95% CI:0.27–0.93). The nomogram demonstrated strong discrimination (AUC:0.886 (training), 0.827 (testing)), excellent calibration in training (slope=1.000, Brier=0.118) with slight deviation in testing (slope=0.697, Brier=0.162), and superior net benefit over treat-all/none strategies across thresholds (DCA). Conclusion: This validated nomogram integrates often-overlooked comorbidities and lifestyle factors to predict post-PVP re.fra risk, providing a practical tool for personalized management and highlighting the need for multidisciplinary care in high-risk subgroups such as those

Keywords: OVCF, Refracture, risk factor, nomogram, PVP

Received: 03 Oct 2025; Accepted: 06 Oct 2025.

Copyright: © 2025 Qi, Wu, Chen, Zhang, Meng, Wei, Wang and Li. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence:
Chunyang Meng, mengchunyang1600@mail.jnmc.edu.cn
Hong Wang, wanghongspine@126.com
Qingwei Li, plasurg0618@163.com

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