« View all new features in Mathematica 9  previous  |  next 
New in Mathematica 9Survival Analysis

Quantify Relative Risk Using a Cox-Proportional Hazards Model 

Compare survival rates for different stages of cancer of the larynx for 50-year-old patients using CoxModelFit.

In[1]:=
Click for copyable input
X

The parameter table suggests those with stage 4 cancer have about 5.4 times the risk of dying as those with stage 1.

In[2]:=
Click for copyable input
X
Out[2]=