Probability theory
Negative predictive value
Negative predictive value is a statistical property of events or a data set.
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NPV=Sp(1−Prev)/[(1−Se)Prev+Sp(1−Prev)]
- 01Given
- 02Calculation
- 03Answer
What it means
Negative predictive value is a statistical property of events or a data set.
How it works and where it is used
Use this calculation for updating probabilities from evidence and evaluating tests, risks, and diagnostic decisions.