通过多个时间到事件调解器对生存结果的非参数路径特定影响
Yen-Tsung Huang1, Ju-Sheng Hong2
1Institute of Statistical Science, Academia Sinica, Taipei, Taiwan.
Statistics in medicine
|January 24, 2025
概括
这项研究引入了一种新的因果调解模型,用于顺序性疾病事件. 乙型肝炎的死亡率主要是由肝癌和肝硬化引起的,而不是型肝炎,它可能涉及其他疾病.
科学领域:
- 因果推断的原因推断是因果推断.
- 生物统计学 生物统计学
- 流行病学 流行病学
背景情况:
- 人类疾病往往通过连续的,时间到事件的里程碑进展.
- 这些连续的事件,就像肝炎的进展到死亡一样,受到审查,并且可能相互影响.
研究的目的:
- 开发一个因果调解模型,用于多个顺序调解器的时间到事件结果.
- 定义和估计复杂疾病途径的干预途径特异效应 (iPSEs).
主要方法:
- 使用因果调解框架与中间和终端事件.
- 在顺序无视下使用计数过程模型衍生出反事实危险表达式.
- 使用复合非参数概率估计用于对事实危险和iPSE的最大概率估计.
主要成果:
- 拟议的估计器显示出非对称的公正性,均的一致性和弱收.
- 乙型肝炎引起的死亡率主要是由肝癌和/或肝硬化引起的.
- 肝炎C诱导的死亡率可能通过肝外疾病进行调解.
结论:
- 开发的因果调解模型有效地分析了疾病进展中的顺序时间到事件数据.
- 这些发现突出了与乙型肝炎和C型肝炎感染相关的死亡风险的独特调解途径.
更多相关视频
09:32Multiplexed Immunofluorescence Analysis and Quantification of Intratumoral PD-1+ Tim-3+ CD8+ T Cells
Published on: February 8, 2018
14.5K
06:46Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
Published on: September 27, 2024
205
相关概念视频
Comparing the Survival Analysis of Two or More Groups
140
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
140
Kaplan-Meier Approach
83
The Kaplan-Meier estimator is a non-parametric method used to estimate the survival function from time-to-event data. In medical research, it is frequently employed to measure the proportion of patients surviving for a certain period after treatment. This estimator is fundamental in analyzing time-to-event data, making it indispensable in clinical trials, epidemiological studies, and reliability engineering. By estimating survival probabilities, researchers can evaluate treatment effectiveness,...
83
Assumptions of Survival Analysis
90
Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
90
Censoring Survival Data
60
Survival analysis is a statistical method used to analyze time-to-event data, often employed in fields such as medicine, engineering, and social sciences. One of the key challenges in survival analysis is dealing with incomplete data, a phenomenon known as "censoring." Censoring occurs when the event of interest (such as death, relapse, or system failure) has not occurred for some individuals by the end of the study period or is otherwise unobservable, and it might have many different...
60
Introduction To Survival Analysis
176
Survival analysis is a statistical method used to study time-to-event data, where the "event" might represent outcomes like death, disease relapse, system failure, or recovery. A unique feature of survival data is censoring, which occurs when the event of interest has not been observed for some individuals during the study period. This requires specialized techniques to handle incomplete data effectively.
The primary goal of survival analysis is to estimate survival time—the time...
The primary goal of survival analysis is to estimate survival time—the time...
176
Cancer Survival Analysis
327
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
327
