Examlex
It is sometimes possible to predict a large earthquake a few seconds before a building begins to shake and topple.
Specificity
The ability of a test to correctly identify those without the disease or condition being tested for.
Positive Predictive Value
The probability that subjects with a positive screening test truly have the disease.
Prevalence
The total number of cases of a disease that exist in a particular population at a specific time.
False-Positive Diagnosis
An erroneous identification where a test incorrectly indicates the presence of a condition that is actually absent.
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