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Accommodating informative dropout and death: a joint modelling approach for longitudinal and semi-competing risks data.


ABSTRACT: Both dropout and death can truncate observation of a longitudinal outcome. Since extrapolation beyond death is often not appropriate, it is desirable to obtain the longitudinal outcome profile of a population given being alive. We propose a new likelihood-based approach to accommodating informative dropout and death by jointly modelling the longitudinal outcome and semi-competing event times of dropout and death, with an important feature that the conditional longitudinal profile of being alive can be conveniently obtained in a closed form. We use proposed methods to estimate different longitudinal profiles of CD4 count for patients from the HIV Epidemiology Research Study.

SUBMITTER: Li Q 

PROVIDER: S-EPMC5741179 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Accommodating informative dropout and death: a joint modelling approach for longitudinal and semi-competing risks data.

Li Qiuju Q   Su Li L  

Journal of the Royal Statistical Society. Series C, Applied statistics 20170130 1


Both dropout and death can truncate observation of a longitudinal outcome. Since extrapolation beyond death is often not appropriate, it is desirable to obtain the longitudinal outcome profile of a population given being alive. We propose a new likelihood-based approach to accommodating informative dropout and death by jointly modelling the longitudinal outcome and semi-competing event times of dropout and death, with an important feature that the conditional longitudinal profile of being alive  ...[more]

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