Computing a Time-Dependent Covariate

This feature requires Custom Tables and Advanced Statistics.

  1. From the menu, choose

    Analyze > Survival > Cox w/ Time-Dep Cov...

  2. Enter an expression for the time-dependent covariate.
  3. Click Model to proceed with your Cox Regression.

Note- Ensure that you include the new variables that are added as covariates in your Cox Regression model.