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- An initial measurement that is taken at an early time point to represent a beginning condition, and is used for comparison over time to look for changes. For example, the size of a tumor will be measured before treatment (baseline) and then afterwards to see if the treatment had an effect.
National Cancer Institute - Cite This Source - This Definition
- acute pain, annual percent change (APC), Barrett esophagus, comorbidity, degenerative disease, disease-specific survival rate, hemorrhage, ICCC classification, metasynchronous, onset of action, time to progression, trends over time