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Background <p>Type 2 diabetes (T2D) correlates with an elevated risk of osteoporotic fractures. However, factors influencing bone mineral density (BMD) and trabecular bone score (TBS) in Chinese individuals with T2D remain unclear. This study aimed to investigate the clinical and biochemical determinants of BMD and TBS in patients with T2D, with a focus on elucidating the role of weight-adjusted waist index (WWI) in modulating bone mass and quality in this cohort.</p> Methods <p>Data of 161 women and 153 men with T2D collected between July 2022 and March 2023 in Shenzhen, China, were analyzed in our cross-sectional study. Lumbar spine BMD and TBS of all participants were obtained using dual-energy X-ray absorptiometry. WWI was defined as waist circumference over the square root of weight.</p> Results <p>Multivariate regression analysis demonstrated that lumbar spine TBS was inversely correlated with age, menopausal status, and WWI in women (<i>p</i> &lt; 0.05). In men, TBS was negatively associated with age and WWI (<i>p</i> &lt; 0.05). For women, glycated hemoglobin A1c positively influenced BMD (<i>p</i> &lt; 0.05), whereas age, diabetic retinopathy, and N-mid osteocalcin were negatively associated. No significant predictors of BMD were identified in the male cohort. For predicting degraded TBS, the optimal WWI cut-offs were 11.257&#xa0;cm/√kg (S: 61.1%, E: 80.7%) in males and 11.247&#xa0;cm/√kg (S: 70.3%, E: 71.1%) in females.</p> Conclusions <p>Our findings highlight WWI as a novel and potentially more precise indicator of body fat, associated with diminished bone quality rather than solely low bone mass in patients with T2D in China. These results suggest that evaluating bone health in individuals with higher WWI may require more than just bone mass assessment. The results also suggest that the optimal WWI cut-off points for predicting degraded TBS are approximately 11.25&#xa0;cm/√kg, highlighting thresholds for fracture risk.</p>

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Weight-adjusted waist index is associated with risk of poor bone quality rather than low bone mass in patients with type 2 diabetes

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月29日

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  • Dehuai Feng,
  • Junying Liu,
  • Ningning Bai,
  • Shujuan Chen,
  • Liming Zhou,
  • Xinlian He,
  • Keli Zhao,
  • Shaobin Wang,
  • Jinyang Wan,
  • Sheng Ouyang,
  • Yiting Zheng,
  • Zhimao Cai,
  • Dewen Yan,
  • Ling Chen

摘要

Background

Type 2 diabetes (T2D) correlates with an elevated risk of osteoporotic fractures. However, factors influencing bone mineral density (BMD) and trabecular bone score (TBS) in Chinese individuals with T2D remain unclear. This study aimed to investigate the clinical and biochemical determinants of BMD and TBS in patients with T2D, with a focus on elucidating the role of weight-adjusted waist index (WWI) in modulating bone mass and quality in this cohort.

Methods

Data of 161 women and 153 men with T2D collected between July 2022 and March 2023 in Shenzhen, China, were analyzed in our cross-sectional study. Lumbar spine BMD and TBS of all participants were obtained using dual-energy X-ray absorptiometry. WWI was defined as waist circumference over the square root of weight.

Results

Multivariate regression analysis demonstrated that lumbar spine TBS was inversely correlated with age, menopausal status, and WWI in women (p < 0.05). In men, TBS was negatively associated with age and WWI (p < 0.05). For women, glycated hemoglobin A1c positively influenced BMD (p < 0.05), whereas age, diabetic retinopathy, and N-mid osteocalcin were negatively associated. No significant predictors of BMD were identified in the male cohort. For predicting degraded TBS, the optimal WWI cut-offs were 11.257 cm/√kg (S: 61.1%, E: 80.7%) in males and 11.247 cm/√kg (S: 70.3%, E: 71.1%) in females.

Conclusions

Our findings highlight WWI as a novel and potentially more precise indicator of body fat, associated with diminished bone quality rather than solely low bone mass in patients with T2D in China. These results suggest that evaluating bone health in individuals with higher WWI may require more than just bone mass assessment. The results also suggest that the optimal WWI cut-off points for predicting degraded TBS are approximately 11.25 cm/√kg, highlighting thresholds for fracture risk.