对于评估治疗反应异质性的个体反应的标准偏差存在担忧
Aaron R Caldwell1, David B Allison2, Andrew W Brown3,4
1Department of Biostatistics, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences Northwest, Springdale, Arkansas, United States.
Journal of applied physiology (Bethesda, Md. : 1985)
|September 30, 2025
概括
估计治疗反应异质性 (TRH) 对个性化医学至关重要. 一个新的框架,评估异种度和估计治疗效应的标准偏差 (SDD),提供了TRH比个体反应的标准偏差 (SDIR) 更完整的图片.
科学领域:
- 生物统计学 生物统计学
- 个性化医疗是个性化的医疗.
- 运动生理学 运动生理学
背景情况:
- 估计治疗反应异质性 (TRH) 对个性化医学至关重要.
- 个体反应的标准偏差 (SDIR) 是平行组试验中量化TRH的一个突出的方法.
- SDIR具有关键的局限性,包括因果推理问题,关于差异的错误假设和统计效率低下的问题.
研究的目的:
- 为了解决SDIR方法用于估计TRH的局限性.
- 引入和验证一种使用异构度评估TRH的替代框架,并估计治疗效应的标准偏差 (SDD).
主要方法:
- 评估治疗组之间的异种性.
- 估计治疗效应标准偏差 (SDD) 的边界.
- 将框架应用于已发表的运动生理学研究数据.
主要成果:
- 拟议的框架侧重于异种性和SDD,提供了对TRH的更全面的评估.
- SDD比SDIR做出更少的假设,为潜在的TRH提供了更完整的画面.
- 对运动生理学数据的应用证明了SDD在特征TRH估计中的不确定性方面的实用性.
结论:
- 研究人员应该考虑评估异种性和估计SDD边界,以更好地探测TRH.
- 新的框架为TRH估计提供了统计学上合理和更具信息性的方法.
- 这种方法提高了对治疗疗效的个体反应变异的理解.
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