A new diagnostic test for a rare disease has a sensitivity of 95% and a specificity of 90%. If the disease prevalence in the population is 1%, what does a high positive predictive value (PPV) for this test indicate?

Question

BrainForge Quiz · Accepted Answer

C) The probability that a person with a positive test result actually has the disease.. Positive predictive value (PPV) is the probability that an individual who tests positive truly has the disease. It is heavily influenced by the prevalence of the disease in the population, decreasing with lower prevalence.

A new diagnostic test for a rare disease has a sensitivity of 95% and a specificity of 90%. If the disease prevalence in the population is 1%, what does a high positive predictive value (PPV) for this test indicate?

✓ Correct Answer: Option C

Related USMLE Exam Prep Questions