SPM – MCQ 136 – The usefulness of a screening test

The usefulness of a ‘screening test` in a community depends on its :
A. Sensitivity
B. Specificity
C. Reliability
D. Predictive value

Correct answer : A. Sensitivity

A screening test should be sensitive to detect maximum possible cases. Specificity is not as important. After screening, we can apply a confirmatory test with high specificity.

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