Explain how Kaplan-Meier Log-rank test is used to determine the survival curve of breast cancer patients.
Write 3 pages (1 page for each test):
- Explain how a Cox proportional hazard test is used to determine the risk factors comparing survival curves between breast cancer patients.
- Explain how Kaplan-Meier Log-rank test is used to determine the survival curve of breast cancer patients.
- Explain how Chi-Square analysis to determine the observed and expected distributions between breast cancer patients.