在基于mHealth的疾病管理计划中调查缩血压变化的特征工程预测因素
Masashi Kanai1,2, Sangjun Park3, Takahiro Miki2
1Institute of Transdisciplinary Sciences for Innovation, Kanazawa University, Kanazawa, Japan.
概括
移动健康计划中的特征工程改善了对静脉压变化的早期预测. 然而,随着时间的推移,血液压力预测的整体模型性能与这些工程特征相似或不相似.
科学领域:
- 心血管疾病管理心血管疾病管理
- 数字健康和移动健康
背景情况:
- 移动健康 (mHealth) 计划提供疾病管理的持续监测.
- 特性工程可以通过使用纵向数据来增强预测模型.
研究的目的:
- 为了评估功能工程预测因素是否能改善静缩血压 (SBP) 在mHealth程序中的变化预测.
- 评估特征工程对SBP变化预测准确性的影响.
主要方法:
- 在24周的mHealth计划 (Mystar) 中对2318名参与者的分析.
- 在多个时间点 (第4周,第8周,第12周和第22周) 开发带有和没有特征工程变量的ElasticNet回归模型.
- 主要结局:从基线上看,早晨SBP的变化.
主要成果:
- 特性工程在早期阶段 (4周) 增加了个人预测因子与SBP变化的相关性.
- 在整个24周的计划中,模型级性能在功能工程和没有功能工程的情况下都相似.
- 随着时间的推移,预测准确性得到了改善,在22周时,两种模型类型的相关性达到约0.85.
结论:
- 功能工程突出了重要的早期预测因素,但并没有实质性地改变SBP变化的整体mHealth模型性能.
- 需要进一步的研究来验证这些发现在不同的临床环境.
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