Statistics
Sensitivity and Specificity
These metrics evaluate the accuracy of diagnostic tests in identifying the presence or absence of a disease.
Sensitivity
- Ability of a test to correctly identify those with the disease.
- High sensitivity minimizes false negatives.
- Crucial for screening tests to ensure no cases are missed.
Specificity
- Ability of a test to correctly identify those without the disease.
- High specificity minimizes false positives.
- Essential for confirmatory testing to avoid unnecessary treatment.
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