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在体重过重的个体中,将身体组成技术与适应的多部分模型进行比较
Julia Montenegro1, Jonathan P Bennett2, Camila L P Oliveira1
1Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada.
Nutrition (Burbank, Los Angeles County, Calif.)
|December 31, 2025
概括
空气位移囊造影 (ADP) 在超重和肥胖个体中显示出身体脂肪百分比的最佳准确性,尽管准确性随着BMI的增加而下降. 由于潜在的可变性,建议对个别评估保持谨慎.
科学领域:
- 肥胖问题研究研究
- 人体生理学 人体生理学
- 生物医学工程 生物医学工程
背景情况:
- 准确的身体成分评估对于识别与过度脂肪相关的健康风险至关重要.
- 传统的测量技术往往会在身体质量指数 (BMI) 高的个体中失去准确性.
研究的目的:
- 在超重或肥胖的个体中,评估常见的身体组成技术与4个部件 (4C) 模型对比的准确性.
- 为了在这个人群中比较空气位移透镜 (ADP),生物电阻分析 (BIA) 和双能X射线吸收计 (DXA).
主要方法:
- 75名超重或肥胖的参与者 (BMI 25-30+ kg/m2) 通过ADP,BIA和DXA进行了评估.
- 通过使用体重,体积 (ADP),骨矿物质含量 (DXA) 和总体水量 (BIA) 来调整一个4C模型.
- 与4C模型相比,准确性是通过平均差异和95%的一致限度来确定的.
主要成果:
- ADP在体脂百分比 (BF%;0.10%±1.70%) 中表现出最小的平均差异,但在肥胖个体中,准确性下降.
- 与4C模型相比,BIA (1.73% ± 1.72%) 和DXA (1.86% ± 1.79%) 都显著高估了BF% (P < 0.001).
结论:
- 空气位移囊造影 (ADP) 在这个队列中显示了身体脂肪百分比的最高整体准确性.
- 双能X射线吸收计 (DXA) 显示了与4C模型最大的偏差,可能是由于BIA高估了全体水的过高估计.
- 虽然群体层面的一致性很强,但个人层面的显著变化需要在临床应用中对体重过重的个体进行谨慎.
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