基于CHARLS的两种eGDR算法的超重人群骨质疏松关联性比较分析
DOI:
https://doi.org/10.62177/fcdt.v1i3.520关键词:
骨质疏松, eGDR, BMI, 超重人群, CHARLS摘要
背景:骨质疏松症常见于老年群体,而一定程度的BMI的升高与骨保护相关。然而,BMI也被用于eGDR(estimated Glucose Disposal Rate, eGDR)计算,提示代谢紊乱可能与骨质疏松隐藏存在关联。目的:本研究旨在比较基于BMI与腰围的两种eGDR算法在超重人群中与骨质疏松风险之间的相关性,并识别其潜在的非线性转折点。方法:基于CHARLS(China Health and Retirement Longitudinal Study) 2011年数据,纳入2859名45岁及以上超重参与者,以既往髋骨骨折作为骨质疏松的代替指标,进行Logistic回归分析,评估eGDR与骨质疏松风险的关联,并采用限制性三次样条(RCS)分析探讨其非线性关系及转折点。结果:在调整多种代谢及炎症指标后,eGDRBMI的第二分位组(OR=3.74)与第三分位组(OR=2.21)与骨质疏松风险呈显著正相关,而eGDRWC仅在第三分位组显示相关性(OR=2.54)。RCS分析提示eGDRBMI与骨质疏松风险之间存在统计学显著的非线性关系(P非线性=0.044),在eGDRBMI约6.2和9.8附近出现风险上升的拐点;而eGDRWC与骨质疏松关系不显著。亚组分析未见显著交互作用。结论:在超重人群中,eGDRBMI较eGDRWC更能反映骨质疏松风险。结果还提示BMI作为eGDR计算因子可能掩盖其骨保护效应,在特定范围内出现“高eGDR高骨折风险”的现象,因此应用时需要分人群进行分析和使用。
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Copyright (c) 2025 周鑫蓓, 黄俊, 阿不来提·艾则孜

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Accepted: 2025-08-06
Published: 2025-08-19