scholarly journals Improving efficiency of parameter estimation in case-cohort studies with multivariate failure time data

Biometrics ◽  
2017 ◽  
Vol 73 (3) ◽  
pp. 1042-1052
Author(s):  
Ying Yan ◽  
Haibo Zhou ◽  
Jianwen Cai
Keyword(s):  
Parameter Estimation ◽  
Cohort Studies ◽  
Failure Time ◽  
Failure Time Data ◽  
Time Data ◽  
Multivariate Failure Time

First-event or marginal estimation of cause-specific hazards for analysing correlated multivariate failure-time data?

2008 ◽  
Vol 27 (6) ◽  
pp. 922-936 ◽  
Author(s):  
Bee-Choo Tai ◽  
Bianca L. De Stavola ◽  
Victor de Gruttola ◽  
Val Gebski ◽  
David Machin
Keyword(s):  
Failure Time ◽  
Failure Time Data ◽  
Time Data ◽  
Multivariate Failure Time

scholarly journals Additive Hazard Regression for the Analysis of Clustered Survival Data from Case-Cohort Studies

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
June Liu ◽  
Yi Zhang
Keyword(s):  
Cohort Studies ◽  
Survival Data ◽  
Failure Time ◽  
Weight Functions ◽  
Disease Rate ◽  
Failure Time Data ◽  
Finite Sample ◽  
Time Data ◽  
Cohort Design ◽  
Clustered Survival Data

The case-cohort design is an effective and economical method in large cohort studies, especially when the disease rate is low. Case-cohort design in most of the existing literature is mainly used to analyze the univariate failure time data. But in practice, multivariate failure time data are commonly encountered in biomedical research. In this paper, we will propose methods based on estimating equation method for case-cohort designs for clustered survival data. By introducing the event failure rate, three different weight functions are constructed. Then, three estimating equations and parameter estimators are presented. Furthermore, consistency and asymptotic normality of the proposed estimators are established. Finally, the simulation results show that the proposed estimation procedure has reasonable finite sample behaviors.

scholarly journals Gaining efficiency via weighted estimators for multivariate failure time data

2009 ◽  
Vol 52 (6) ◽  
pp. 1113-1128 ◽  
Author(s):  
JianQing Fan ◽  
Yong Zhou ◽  
JianWen Cai ◽  
Min Chen
Keyword(s):  
Failure Time ◽  
Failure Time Data ◽  
Time Data ◽  
Multivariate Failure Time
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