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A Modified Partial Likelihood Score Method for Cox Regression with Covariate Error Under the Internal Validation Design
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6 2019
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Source: Biometrics. 75(2):414-427
[PDF-535.87 KB]
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Alternative Title:Biometrics
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Description:We develop a new method for covariate error correction in the Cox survival regression model, given a modest sample of internal validation data. Unlike most previous methods for this setting, our method can handle covariate error of arbitrary form. Asymptotic properties of the estimator are derived. In a simulation study, the method was found to perform very well in terms of bias reduction and confidence interval coverage. The method is applied to data from the Health Professionals Follow-Up Study (HPFS) on the effect of diet on incidence of Type II diabetes.
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Pubmed ID:30525191
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Pubmed Central ID:PMC6555694
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Volume:75
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Issue:2
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