Article
Bias of the Cox Model Hazard Ratio
Journal of Modern Applied Statistical Methods
Document Type
Article
Publication Date
5-1-2005
Disciplines
Abstract
The hazard ratio estimated with the Cox model is investigated under proportional and five forms of nonproportional hazards. Results indicate that the highest bias occurs for diverging hazards with early censoring, and for increasing and crossing hazards under a high censoring rate.
Citation Information
Inger Persson and Harry J. Khamis. "Bias of the Cox Model Hazard Ratio" Journal of Modern Applied Statistical Methods Vol. 4 Iss. 1 (2005) p. 90 - 99 ISSN: 1538-9472 Available at: http://works.bepress.com/harry_khamis/159/