Number needed to treat (NNT).
review · Level V
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- Record sourced from PubMed, PMID 10092722.
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Abstract
Because decisions regarding therapy are so common in clinical practice, the application of number needed to treat (NNT) is one of the most important evidence-based medicine skills to be acquired. NNT provides a clinically useful "yardstick" of the effort required to have a beneficial outcome or prevent a bad outcome with a therapy. A brief overview of the concept, derivation, and application of NNT is presented.
Medical subject headings
- Clinical Trials as Topic
- Emergency Medical Services
- Evidence-Based Medicine
- Outcome and Process Assessment, Health Care