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对总能源消耗的预测方程的有效性与双重标记的水相比
Olalla Prado-Nóvoa1, Kristen R Howard2,3, Eleni Laskaridou2
1Department of Human Nutrition, Foods, and Exercise, Human Integrative Physiology Laboratory, Virginia Tech, Blacksburg, VA, USA. prado.novoa.olalla@gmail.com.
Scientific reports
|July 8, 2024
概括
预测总能耗 (TEE) 很难,因为身体活动的变化. 一些方程显示准确性,但个别预测有错误,需要进一步研究更好的TEE预测模型.
科学领域:
- 身体生理学 身体生理学
- 营养科学 营养科学
- 运动科学 运动科学
背景情况:
- 准确预测总能耗 (TEE) 对于理解能源平衡至关重要.
- 身体活动能耗的变化对现有的预测模型构成重大挑战.
研究的目的:
- 评估用于预测TEE在不同体力活动 (PA) 水平的既定方程的准确性和精度.
- 为了确定最有效的预测模型对TEE在不同PA的成年人.
主要方法:
- 在56名成年人中,使用双标记水 (DLW) 方法测量了总能耗 (TEE).
- 使用加速度计客观地监测身体活动 (PA) 水平.
- 评估了十种不同的预测模型的准确性和精确性,分析按性别和PA水平分层.
主要成果:
- 大多数测试的方程往往低估了研究成年人群中的TEE.
- 普勒克方程在整个样本中显示了TEE预测的最高整体准确性.
- 对于具有较低PA水平的个体,Pontzer和Vinken模型表现出最高的准确性.
结论:
- 虽然一些方程提供了适度的准确性,但仍然存在显著的个体级预测错误 (精度较低).
- 现有的方程需要进一步开发和验证,以提高TEE预测可靠性.
- 未来的研究应该专注于改进和验证新的方程,以便更精确地估计TEE.
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