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A Pairwise Likelihood Augmented Cox Estimator for Left-truncated Data

A Pairwise Likelihood Augmented Cox Estimator for Left-truncated Data

Survival data collected from a prevalent cohort are subject to left truncation and the analysis is challenging. Conditional approaches for left-truncated data could be inefficient as they ignore the information in the marginal likelihood of the truncation times. Length-biased sampling methods may improve the estimation efficiency but only when the …