Number needed to treat is a simple measure of treatment efficacy for clinicians

S. Vincent Rajkumar, Priya Sampathkumar, Anthony B. Gustafson

Research output: Contribution to journalArticle

23 Scopus citations


NNT is a useful and clinically meaningful measure for assessing treatment efficacy. NNT is the reciprocal of the absolute risk reduction and is easy to calculate. NNT quantities absolute benefits and risks of treatment, unlike relative risk reduction, odds ratio, and other methods of reporting results of therapeutic studies.

Original languageEnglish (US)
Pages (from-to)357-359
Number of pages3
JournalJournal of general internal medicine
Issue number6
StatePublished - Jan 1 1996


ASJC Scopus subject areas

  • Internal Medicine

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