Eligibility criteria. Definition

Medical Definition: Eligibility criteria

In the field of clinical trials, are the requirements to be met by an individual to be included in a study. These requirements help ensure that patients in a study are similar to each other with respect to specific factors such as age, type and stage of cancer, general health status and previous treatments they received. When all patients meet the same eligibility criteria, researchers can be confident that the findings are due to the intervention is to try and not to other factors.

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