Most number of false positives by a screening test is because of?a) High specificityb) High sensitivityc) High prevalenced) Low prevalence
Correct Answer: bd
Description: If a population has more false positive cases : -
Screening test is more sensitive
Positive predictive value of the test is low.
Prevalence of disease is low.
If a population has more false negative cases
i) Screening test is more specific
ii) Negative predictive value of the test is low
Category:
Social & Preventive Medicine
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