Examlex
Probability distributions follow the same rules as probability: They are never negative and vary between - and + .
Specificity
The capacity of an examination to accurately detect individuals who do not have the condition, known as the true negative rate.
Digital Rectal Exam
A manual examination performed by inserting a lubricated, gloved finger into the rectum to check for abnormalities of organs or other structures in the pelvis and lower belly.
Specificity
In diagnostic testing, the ability of the test to correctly identify those without the disease.
Positive Predictive Value
The probability that individuals with a positive test result actually have the disease.
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