Multiple Choice
Your screening test for yellow fever had a sensitivity of 88%, a specificity of 74% and a positive predictive value of 82% last year. This year there is an outbreak of yellow fever in the region increasing prevalence rates. You would expect the positive predictive value of the screen to:
A) Be higher than 82% this year
B) To remain at about 82% this year
C) To be below 82% this year
D) Unable to determine without the prevalence rate
Correct Answer:

Verified
Correct Answer:
Verified
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