A diagnostic test gives TP = 45, FN = 5, TN = 140, FP = 10. What is the positive predictive value?
Answer and explanation
Correct answer: B. 81.82%
- Step 1: PPV = TP / (TP + FP).
- Step 2: 45 / (45 + 10) = 81.82%.
Answer
81.82%.
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