Like so many of the others on this forum, I've had terrible sinus headaches after having a root canal done 3 weeks ago. It started as soon as the Novocaine wore off. It was almost unbearable for the first 2 days. It began around my right eye and nose (the root canal was in my upper right side).
Survival analysis is generally defined as a set of methods for analyzing data where the outcome variable. is the time until the occurrence of an event of interest. The event can be death, occurrence of a disease, marriage, divorce, etc. The time to event or survival time can be measured in days, weeks, years, etc.
Survival rates indicate the percentage of people with a certain type of leukemia who survive the disease for a certain period of time after their diagnosis. Often, statistics refer to the 5-year survival rate, which is the percentage of people who live 5 years after diagnosis.