A screening test gave 36 true positives, 4 false negatives, 12 false positives and 148 true negatives. What is the positive predictive value?
Answer and explanation
Correct answer: C. 75%
- Step 1: The positive predictive value is the share of positive results that are true: TP / (TP + FP).
- Step 2: 36 / (36 + 12) = 75%.
Answer
75%.
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