Negative predictive value

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The negative predictive value is the proportion of patients with negative test results who are correctly diagnosed.

Relationships among terms
Disease
True False
Test
outcome
Positive True Positive (TP) False Positive (FP)
Negative False Negative (FN) True Negative (TN)

Negative Predictive Value = TN / (TN + FN)

[edit] See also

[edit] References