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Comparing center-specific cumulative incidence functions
Springer Science and Business Media LLC - Tập 22 - Trang 17-37 - 2015
Ludi Fan, Douglas E. Schaubel
The competing risks data structure arises frequently in clinical and epidemiologic studies. In such settings, the cumulative incidence function is often used to describe the ultimate occurrence of a particular cause of interest. If the objective of the analysis is to compare subgroups of patients with respect to cumulative incidence, imbalance with respect to group-specific covariate distributions...... hiện toàn bộ
The competing risks Cox model with auxiliary case covariates under weaker missing-at-random cause of failure
Springer Science and Business Media LLC - Tập 24 - Trang 425-442 - 2017
Daniel Nevo, Reiko Nishihara, Shuji Ogino, Molin Wang
In the analysis of time-to-event data with multiple causes using a competing risks Cox model, often the cause of failure is unknown for some of the cases. The probability of a missing cause is typically assumed to be independent of the cause given the time of the event and covariates measured before the event occurred. In practice, however, the underlying missing-at-random assumption does not nece...... hiện toàn bộ
Nonparametric estimation in the illness-death model using prevalent data
Springer Science and Business Media LLC - Tập 23 - Trang 25-56 - 2016
Bella Vakulenko-Lagun, Micha Mandel, Yair Goldberg
We study nonparametric estimation of the illness-death model using left-truncated and right-censored data. The general aim is to estimate the multivariate distribution of a progressive multi-state process. Maximum likelihood estimation under censoring suffers from problems of uniqueness and consistency, so instead we review and extend methods that are based on inverse probability weighting. For un...... hiện toàn bộ
Mixed Discrete and Continuous Cox Regression Model
Springer Science and Business Media LLC - Tập 9 - Trang 195-210 - 2003
Ross L. Prentice, John D. Kalbfleisch
The Cox (1972) regression model is extended to include discrete and mixed continuous/discrete failure time data by retaining the multiplicative hazard rate form of the absolutely continuous model. Application of martingale arguments to the regression parameter estimating function show the Breslow (1974) estimator to be consistent and asymptotically Gaussian under this model. A computationally conv...... hiện toàn bộ
Tail Behavior of the Failure Rate Functions of Mixtures
Springer Science and Business Media LLC - Tập 3 - Trang 269-288 - 1997
Henry Block, Harry Joe
The tail behavior of the failure rate of mixtures of lifetime distributions is studied. A typical result is that if the failure rate of the strongest component of the mixture decreases to a limit, then the failure rate of the mixture decreases to the same limit. For a class of distributions containing the gamma distributions this result can be improved in the sense that the behavior of the failure...... hiện toàn bộ
On Bayesian Inference for Proportional Hazards Models Using Noninformative Priors
Springer Science and Business Media LLC - Tập 6 - Trang 331-341 - 2000
Seong W. Kim, Joseph G. Ibrahim
In this article, we investigate the propertiesof the posterior distribution under the uniform improper priorfor two commonly used proportional hazards models; the Weibullregression model and the extreme value regression model. We allowthe observations to be right censored. We obtain sufficient conditionsfor the existence of the posterior moment generating functionof the regression coefficients. A ...... hiện toàn bộ
Statistical Analysis of Marginal Count Failure Data
Springer Science and Business Media LLC - Tập 7 - Trang 173-186 - 2001
Md. Rezaul Karim, Wataru Yamamoto, Kazuyuki Suzuki
Manufacturers want to assess the quality andreliability of their products. Specifically, they want to knowthe exact number of failures from the sales transacted duringa particular month. Information available today is sometimesincomplete as many companies analyze their failure data simplycomparing sales for a total month from a particular departmentwith the total number of claims registered for th...... hiện toàn bộ
Estimating Marginal Effects in Accelerated Failure Time Models for Serial Sojourn Times Among Repeated Events
Springer Science and Business Media LLC - Tập 10 - Trang 175-190 - 2004
Shu-Hui Chang
Recurrent event data are commonly encountered in longitudinal studies when events occur repeatedly over time for each study subject. An accelerated failure time (AFT) model on the sojourn time between recurrent events is considered in this article. This model assumes that the covariate effect and the subject-specific frailty are additive on the logarithm of sojourn time, and the covariate effect m...... hiện toàn bộ
Assessing Placebo Response Using Bayesian Hierarchical Survival Models
Springer Science and Business Media LLC - Tập 4 - Trang 5-28 - 1998
Dalene K. Stangl, Joel B. Greenhouse
The National Institute of Mental Health (NIMH) Collaborative Study of Long-Term Maintenance Drug Therapy in Recurrent Affective Illness was a multicenter randomized controlled clinical trial designed to determine the efficacy of a pharmacotherapy for the prevention of the recurrence of unipolar affective disorders. The outcome of interest in this study was the time until the recurrence of a depres...... hiện toàn bộ
Erratum to: Neyman, Markov processes and survival analysis
Springer Science and Business Media LLC - Tập 19 Số 3 - Trang 412-412 - 2013
Guangjun Yang
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