Predictive values of a screening test depends on
Correct Answer: Prevalence
Description: In addition to sensitivity and specificity, the performance of a screening test is measured by its predictive value which reflects the diagnostic power of the test.The predictive accuracy depends upon sensitivity, specificity and disease prevalence.The more prevalent a disease is in a given population, the more accurate will be the predictive value of a positive screening test.Park 23e pg: 140
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Social & Preventive Medicine
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