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In the process of clinical diagnosis and treatment, the restricted mean survival time (RMST), which reflects the life expectancy of patients up to a specified time, can be used as an appropriate outcome measure. However, the RMST only…

应用统计 · 统计学 2021-06-22 Zijing Yang , Hongji Wu , Yawen Hou , Hao Yuan , Zheng Chen

The difference in restricted mean survival time (RMST) is a clinically meaningful measure to quantify treatment effect in randomized controlled trials, especially when the proportional hazards assumption does not hold. Several frequentist…

The restricted mean survival time (RMST) has become a popular measure to summarize event times in longitudinal studies. Defined as the area under the survival function up to a time horizon $\tau$ > 0, the RMST can be interpreted as the life…

统计方法学 · 统计学 2024-11-05 Alina Schenk , Vanessa Basten , Matthias Schmid

The widely used proportional hazard assumption cannot be assessed reliably in small-scale clinical trials and might often in fact be unjustified, e.g. due to delayed treatment effects. An alternative to the hazard ratio as effect measure is…

统计方法学 · 统计学 2024-08-29 David Jesse , Cynthia Huber , Tim Friede

In clinical or epidemiological follow-up studies, methods based on time scale indicators such as the restricted mean survival time (RMST) have been developed to some extent. Compared with traditional hazard rate indicator system methods,…

统计方法学 · 统计学 2022-05-26 Chengfeng Zhang , Hongji Wu , Baoyi Huang , Hao Yuan , Yawen Hou , Zheng Chen

Restricted mean survival time (RMST) offers a compelling nonparametric alternative to hazard ratios for right-censored time-to-event data, particularly when the proportional hazards assumption is violated. By capturing the total event-free…

统计方法学 · 统计学 2025-01-28 Jinghao Sun , Douglas E. Schaubel , Eric J. Tchetgen Tchetgen

Covariate adjustment is desired by both practitioners and regulators of randomized clinical trials because it improves precision for estimating treatment effects. However, covariate adjustment presents a particular challenge in…

统计方法学 · 统计学 2023-07-20 Yunfan Li , Jessica L. Ross , Aaron M. Smith , David P. Miller

Restricted mean survival time (RMST) is an intuitive summary statistic for time-to-event random variables, and can be used for measuring treatment effects. Compared to hazard ratio, its estimation procedure is robust against the…

统计方法学 · 统计学 2023-05-25 Ruizhe Chen , Sanjib Basu , Qian Shi

The restricted mean survival time (RMST) model has been garnering attention as a way to provide a clinically intuitive measure: the mean survival time. RMST models, which use methods based on pseudo time-to-event values and inverse…

统计方法学 · 统计学 2024-06-11 Keisuke Hanada , Masahiro Kojima

The restricted mean survival time (RMST) is a widely used quantity in survival analysis due to its straightforward interpretation. For instance, predicting the time to event based on patient attributes is of great interest when analyzing…

统计理论 · 数学 2025-03-11 Ariane Cwiling , Vittorio Perduca , Olivier Bouaziz

In the context of right-censored data, we study the problem of predicting the restricted time to event based on a set of covariates. Under a quadratic loss, this problem is equivalent to estimating the conditional Restricted Mean Survival…

统计理论 · 数学 2024-04-29 Ariane Cwiling , Vittorio Perduca , Olivier Bouaziz

Investigating the causal relationship between exposure and the time-to-event outcome is an important topic in biomedical research. Previous literature has discussed the potential issues of using the hazard ratio as a marginal causal effect…

统计方法学 · 统计学 2022-05-05 Zihan Lin , Ai Ni , Bo Lu

The restricted mean survival time (RMST) is the mean survival time in the study population followed up to a specific time point, and is simply the area under the survival curve up to the specific time point. The difference between two RMSTs…

统计方法学 · 统计学 2025-09-18 Peter Zhang , Brent Logan , Michael Martens

In large observational studies, the case-cohort design is commonly used to reduce the cost associated with covariate measurement. For survival outcomes, literature has suggested that the restricted mean survival time (RMST) be a more…

统计方法学 · 统计学 2026-05-08 Andy Ni , Wei-En Lu , Bo Lu

Restricted mean survival time (RMST) is gaining attention as a measure to quantify the treatment effect on survival outcomes in randomized clinical trials. Several methods to determine sample size based on the RMST-based tests have been…

统计方法学 · 统计学 2022-12-19 Satoshi Hattori , Hajime Uno

Comparing survival experiences of different groups of data is an important issue in several applied problems. A typical example is where one wishes to investigate treatment effects. Here we propose a new Bayesian approach based on…

统计方法学 · 统计学 2024-07-17 Alan Riva-Palacio , Fabrizio Leisen , Antonio Lijoi

Recent observations, especially in cancer immunotherapy clinical trials with time-to-event outcomes, show that the commonly used proportial hazard assumption is often not justifiable, hampering an appropriate analyse of the data by hazard…

统计方法学 · 统计学 2021-02-23 Marc Ditzhaus , Menggang Yu , Jin Xu

A targeted learning (TL) framework is developed to estimate the difference in the restricted mean survival time (RMST) for a clinical trial with time-to-event outcomes. The approach starts by defining the target estimand as the RMST…

统计方法学 · 统计学 2026-01-21 Man Jin , Yixin Fang

The restricted mean survival time (RMST) difference offers an interpretable causal contrast to estimate the treatment effect for time-to-event outcomes, yet a wide range of available estimators leaves limited guidance for practice. We…

统计方法学 · 统计学 2026-03-02 Charlotte Voinot , Clément Berenfeld , Imke Mayer , Bernard Sebastien , Julie Josse

The use of the non-parametric Restricted Mean Survival Time endpoint (RMST) has grown in popularity as trialists look to analyse time-to-event outcomes without the restrictions of the proportional hazards assumption. In this paper, we…

统计方法学 · 统计学 2023-11-06 Emily Alger , David S. Robertson , Abigail J. Burdon
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