Part V
Analyzing Survival Data
Illustration by Wiley, Composition Services Graphics
Estimate sample size in a variety of situations with the help of the Cheat Sheet at www.dummies.com/extras/biostatistics.
In this part . . .
Understand what survival data is and how to handle censoring (when you don’t know whether the subject died).
Prepare survival curves using the life-table and Kaplan-Meier methods.
Estimate median survival times and survival rates at specified times.
Compare survival curves between two or more groups, using the log-rank test.
Analyze multiple predictors of survival using Cox proportional-hazards regression.
