Communications for Statistical Applications and Methods

The Korean Statistical Society (한국통계학회)
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Multiple imputation for competing risks survival data via pseudo-observations

  • Received : 2018.03.08
  • Accepted : 2018.05.16
  • Published : 2018.07.31
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Abstract

Competing risks are commonly encountered in biomedical research. Regression models for competing risks data can be developed based on data routinely collected in hospitals or general practices. However, these data sets usually contain the covariate missing values. To overcome this problem, multiple imputation is often used to fit regression models under a MAR assumption. Here, we introduce a multivariate imputation in a chained equations algorithm to deal with competing risks survival data. Using pseudo-observations, we make use of the available outcome information by accommodating the competing risk structure. Lastly, we illustrate the practical advantages of our approach using simulations and two data examples from a coronary artery disease data and hepatocellular carcinoma data.

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References

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