Disease-specific National Programmes (NTEP, NVBDCP, NLEP) — Topic Test
20 questions · exam mode (answers revealed at the end). 18 min suggested.
A district screens 50,000 women for a disease with true prevalence of 2%. The screening test has a sensitivity of 90% and specificity of 95%. What is the approximate positive predictive value of the test in this population?
A78%
B90%
C42%
D27%