Negative predictive value

Predictive values depend on how common the condition is in the tested group. The same test can have a very high NPV in a low-prevalence screening setting and a lower one in a high-risk clinic, so the population should always be stated with the figure.

‘negative predictive value’ means the ability of a device to separate true negative results from false negative results for a given attribute in a given population;

IVDR, Article 2(53)