Definition of overall survival rate - NCI Dictionary of Cancer Terms

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overall survival rate (... ser-VY-vul ...)

The percentage of people in a study or treatment group who are alive for a certain period of time after they were diagnosed with or treated for a disease, such as cancer. The overall survival rate is often stated as a five-year survival rate, which is the percentage of people in a study or treatment group who are alive five years after diagnosis or treatment. Also called survival rate.

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