身体圆度指数:在一般人群中,肌肉内脂肪透的优越预测指标
Rui Yu1, Yu Wang1, Yiping Zhang1
1Department of Radiology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
Frontiers in nutrition
|February 6, 2026
概括
身体圆度指数 (BRI) 比身体质量指数 (BMI) 更好地预测肌肉内脂肪透 (IMFI). BRI是评估IMFI的更有效的标志物,特别是在女性中.
科学领域:
- 医疗成像医学成像
- 身体组成分析 身体成分分析
- 代谢健康 代谢健康
背景情况:
- 体重指数 (BMI) 在反映准确的身体脂肪分布方面存在局限性.
- 身体圆度指数 (BRI) 为评估内脏脂肪相对于总体脂肪提供了一个潜在的优越度量.
- 肌肉内脂肪透 (IMFI) 是新兴的代谢健康问题.
研究的目的:
- 研究身体圆度指数 (BRI) 和肌内脂肪透 (IMFI) 之间的关联.
- 为了比较BRI与BMI在不同人群中的IMFI的预测能力.
- 评估BRI作为IMFI的潜在诊断工具.
主要方法:
- 使用计算机断层扫描 (CT) 和磁共振成像 (MRI) 进行IMFI评估.
- 根据CT衰减值 (<37.5 HU) 和MRI脂肪分数 (第三四分位数以上) 定义的IMFI.
- 使用后勤回归,斯皮尔曼相关性,分层分析和ROC曲线分析来比较BRI和BMI.
主要成果:
- 较高的BRI水平与IMFI患病率显著增加相关 (67.3%与25.4%,p < 0.001).
- BRI和BMI都与IMFI风险增加有关;BRI显示出更强的关联.
- 接收器操作特征 (ROC) 分析表明,与BMI (p <0.05) 相比,BRI对IMFI风险具有更好的预测能力.
结论:
- 身体圆度指数 (BRI) 作为评估肌内脂肪透 (IMFI) 的更有效指标,而不是身体质量指数 (BMI).
- 对IMFI而言,BRI的预测价值在女性人口中尤为明显.
- 作为评估身体脂肪分布和相关代谢风险的临床工具,BRI值得进一步考虑.
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