= Pre- and post-test probability
{wiki=Pre-_and_post-test_probability}
Pre-test and post-test probabilities are concepts used primarily in clinical medicine and diagnostic testing to evaluate the likelihood of a condition before and after a diagnostic test is performed. \#\#\# Pre-Test Probability - **Definition**: Pre-test probability refers to the probability that a patient has a particular condition or disease before any diagnostic tests are performed. It is based on clinical judgment, patient history, risk factors, and, in some cases, prior epidemiological data.
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