Overall survival
Overall Survival
Overall Survival (pronunciation: /ˈoʊ.vərˌɔːl sərˈvaɪ.vəl/) is a term used in epidemiology and clinical trials to refer to the percentage of people in a study or treatment group who are still alive for a certain period of time after they were diagnosed with or started treatment for a disease, such as cancer.
Etymology
The term "Overall Survival" is derived from the English words "overall", meaning "in general" or "considering everything", and "survival", which comes from the Latin word "supervivere", meaning "to live beyond".
Related Terms
- Progression-Free Survival: This is the length of time during and after treatment that a patient lives with the disease but it does not get worse.
- Disease-Free Survival: This is the length of time after primary treatment for a cancer ends that the patient survives without any signs or symptoms of that cancer.
- Relapse-Free Survival: This is the length of time after treatment that a patient remains free from relapse (return of a medical condition).
- Event-Free Survival: This is the length of time after treatment that a patient remains free of certain complications or events related to the disease.
See Also
External links
- Medical encyclopedia article on Overall survival
- Wikipedia's article - Overall survival
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