Journal of Biometrics & Biostatistics

ISSN: 2155-6180

Open Access

Model Tumor Pattern and Compare Treatment Effects Using Semiparametric Linear Mixed-Effects Models


Changming Xia, Jianrong Wu and Hua Liang

To analyze responses of solid tumor to treatments and to compare treatment effects with antitumor therapies, we applied semiparametric mixed-effects models to fit tumor volumes measured over a period. The population and individual nonparametric functions were approximated by smoothing spline. We also proposed an intuitive method for a comparison of the antitumor effects of two different treatments. Biological interpretation was also discussed.


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