Journal
JOURNAL OF STATISTICAL PLANNING AND INFERENCE
Volume 202, Issue -, Pages 112-122Publisher
ELSEVIER
DOI: 10.1016/j.jspi.2019.02.003
Keywords
Functional approach; IPCW; p-variation; Pseudo-value; Survival analysis
Categories
Funding
- Danish Council for Independent Research [DFF - 4002-00003]
- Novo Nordisk Foundation [NNF17OC0028276]
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A regression analysis using jack-knife pseudo-observations from the Kaplan-Meier estimator, or related estimators, can be biased when censoring times depend on event times or covariates. We study ways in which other, covariate-dependent, estimators can be used in place of the Kaplan-Meier related estimators to overcome the problem. These estimators are inverse probability weighted estimators, weighting with an estimate of the probability of observation based on a model of the censoring distribution. We study an additive hazard model and a proportional hazards model for the censoring distribution. We argue that, under certain assumptions, the pseudo-observation method with pseudo-observations from such estimators will produce consistent and asymptotically normal parameter estimates. (C) 2019 Elsevier B.V. All rights reserved.
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