- Download the file named " L4 - Survival Analysis NEW.xlsx"

- In this file, you will find data of 100 patients with head and neck cancers. The aim of this study was to determine the survival rate of patients with head and neck cancers. Data of the cancer stage, type of cancer, treatment regimen, patient fate, and survival time are available.

- Describe the survival in this study population
- Compare survival between patients in the different subgroups