在4,367名成年人中,新的生物电阻向量参考值和相角百分曲线:在30年后迫切需要更新
Francesco Campa1, Giuseppe Coratella2, Giuseppe Cerullo1
1Department of Biomedical Sciences, University of Padua, Padua, Italy.
Clinical nutrition (Edinburgh, Scotland)
|August 6, 2023
概括
这项研究为成年人提供了更新的生物电阻向量分析 (BIVA) 参考值,提供了新的容忍圆和相角曲线. 这些发现提高了一般成年人群体体质分析的准确性.
科学领域:
- 生物医学工程 生物医学工程
- 人体生理学 人体生理学
- 身体组成分析 身体成分分析
背景情况:
- 生物电阻向量分析 (BIVA) 使用电阻 (R) 和反应 (Xc) 来评估身体组成.
- 现有的BIVA耐受度圆,成立于1995年,可能不能准确地代表当前的成年人群.
- 需要新的参考值来改善身体成分的定性分析.
研究的目的:
- 通过使用BIVA.使用BIVA,为一般成年人群建立新的耐受度圆.
- 在成年人中呈现生物电相角的百分点曲线.
- 为身体组成分析提供最新的参考数据.
主要方法:
- 这是一项多中心,横截面的研究,涉及2137名男性和2230名女性,年龄在18-65岁之间.
- 测量R,Xc和相角使用相位敏感的脚对手分析仪在50kHz.
- 每个性别和年龄类别至少包括35名受试者.
主要成果:
- 与以前的参考值相比,新的平均向量显示出明显的向左移动.
- 为生物电相角开发新的百分位曲线 (第3至第97位).
- 在男性和女性中识别与年龄相关的相角下降.
结论:
- 新的BIVA数据显示,与较旧的参考数据相比,成年人的分布不同,相角更高.
- 针对成年人群的更新耐受圆和相角参考值.
- 这些发现为成年人身体成分评估提供了更准确的工具.
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