Figure 2

Estimated log cumulative hazard functions obtained from fitting a stratified Cox model to the Barrier data. Estimates were obtained via maximization of the stratified partial log likelihood. The strata were generated by splitting the expression values of the most overexpressed gene in the disease group (202500_at) at their median. The remaining 13 of the 14 most differentially expressed genes were used as predictor variables in the stratified Cox model.