使用机器学习技术预测瘦身质量,尾瘦身质量和尾骨肌肉质量的建模:使用NHANES数据和Look AHEAD研究的综合分析
Daniel Olshvang1, Carl Harris1, Rama Chellappa1,2
1Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, United States of America.
PloS one
|September 6, 2024
概括
新的机器学习模型准确地预测瘦身量 (LBM) 和相关指标,有助于检测肉症. 这些模型为评估肌肉健康提供了DXA扫描的有希望的替代方案.
科学领域:
- 老年学和营养科学研究
- 生物医学信息学 生物医学信息学
- 临床研究 临床研究
背景情况:
- 标志着肌肉损失的萨尔科佩尼亚对健康构成重大风险,特别是在老年人和患有慢性疾病的人群中.
- 目前用于评估瘦质量的方法,如双能X射线吸收计 (DXA),其可访问性有限,延迟了关键干预.
- 准确预测瘦身质量 (LBM),尾瘦身质量 (ALM) 和尾骨肌量 (ASMM) 对于早期发现和管理肉类至关重要.
研究的目的:
- 开发和验证用于预测LBM,ALM和ASMM的机器学习模型.
- 用人体测量和人口统计数据评估各种机器学习算法的预测性能.
- 探索骨矿物质密度在增强瘦肉质预测模型中的实用性.
主要方法:
- 利用了来自国家健康和营养检查调查 (NHANES) 和糖尿病健康行动 (Look AHEAD) 研究的数据.
- 训练有素的机器学习模型在人体测量数据,人口因素和DXA衍生的指标上.
- 评估了包括LassoNet在内的多个算法,以评估它们在估计正常化LBM,ALM和ASMM中的准确性.
主要成果:
- 机器学习模型在各种算法中展示了一致的预测性能.
- 拉索网在预测瘦质量指标方面表现出卓越的准确性.
- 结合骨矿物密度测量并没有显著提高预测准确度,建议使用无DXA的替代品.
结论:
- 开发了强大的机器学习模型,能够准确预测关键的瘦质量组件.
- 这些发现表明,在广泛的瘦肉质量评估中,非DXA基方法的潜力很大.
- 这些模型为改善肉症管理和个性化健康干预提供了有希望的途径,这证明了在不同人群中进一步验证的必要性.
相关概念视频
Axial and Appendicular Muscles
1.3K
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
1.3K
Changes in the Appendicular Skeleton with Age
1.9K
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
1.9K
Mechanistic Models: Compartment Models in Individual and Population Analysis
33
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
33


