Understanding Negative Predictive Value of Diagnostic Tests Used in Clinical Practice

Umburger, R.A. et al. (2017) Dimensions of Critical Care Nursing36(1) pp. 22–29

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Nurses review, evaluate, and use diagnostic test results on a routine basis. However, the skills necessary to evaluate a particular test using statistical outcome measures is often lacking. The purpose of this article is to examine and interpret the underlying principles for use of the statistical outcomes of diagnostic screening tests (sensitivity, specificity, and positive (PPV) and negative (NPV) predictive values, with a discussion about use of SpPIn [Specificity, Positive test = rule in], and SnNOut [Sensitivity, Negative test = rule out]) in advanced nursing clinical practice.

Read the full abstract here

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