Abstract
Aalen's additive model defines the covariate effects on the survival outcome to be time-varying. The aim of this paper is to explore the application of Aalen's model in assessing treatment effects, adjusting for possibly different patient profiles between the treatment groups. We treat Aalen's model as the underlying model and compute the direct adjusted survival curves for different treatments. The treatment comparison can be performed by finding a confidence interval for the difference between two direct adjusted survivals. We developed a SAS macro that calculates the direct adjusted survival estimates and the standard errors, based on Aalen's model. In this paper, we give two examples to explain the syntax for using the macro.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.