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Physical Sciences and Mathematics Commons

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SelectedWorks

2013

General Biostatistics

Medicine and Health Sciences

File Type

Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

Software For 'The Predictive Hazard Ratio For Biomarker Evaluation Studies', Debashis Ghosh Jan 2013

Software For 'The Predictive Hazard Ratio For Biomarker Evaluation Studies', Debashis Ghosh

Debashis Ghosh

This is software to accompany the paper `The predictive hazard ratio for biomarker evaluation studies.' It is saved as a compressed ZIP folder.


The Predictive Hazard Ratio For Biomarker Evaluation Studies, Debashis Ghosh Jan 2013

The Predictive Hazard Ratio For Biomarker Evaluation Studies, Debashis Ghosh

Debashis Ghosh

There is tremendous scientific and medical interest in the use of biomarkers to better facilitate medical decision making. In this article, we present a simple framework for assessing the predictive ability of a biomarker. The methodology requires use of techniques from a subfield of survival analysis termed semicompeting risks; results are presented to make the article self-contained. A crucial parameter for evaluating is the predictive hazard ratio, which is different from the usual hazard ratio from Cox regression models for right-censored data. This quantity will be defined; its estimation, inference and adjustment for covariates will be discussed. Aspects of censoring …