Journal of Clinical Epidemiology
Volume 57, Issue 12 , Pages 1244-1252 , December 2004

The number needed to treat (NNT) can be adjusted for bias when the outcome is measured with error

  • Ian C. Marschner

      Affiliations

    • Asia Biometrics Centre, Pfizer Global Pharmaceuticals, 38 Wharf Road, West Ryde, 2114 New South Wales, Australia
    • NHMRC Clinical Trials Centre, University of Sydney, Sydney, New South Wales, Australia
    • Corresponding Author InformationCorresponding author. Tel.: +61-2-9850-3433; fax: +61-2-9850-3321.
    • ,
  • Jonathan Emberson

      Affiliations

    • Department of Primary Care and Population Sciences, Royal Free and University College Medical School, London, UK
    • ,
  • Les Irwig

      Affiliations

    • Screening and Test Evaluation Program (STEP), School of Public Health, University of Sydney, Sydney, New South Wales, Australia
    • ,
  • Stephen D. Walter

      Affiliations

    • Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

,Accepted 20 January 2004.

References 

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  17. Thabane L. A closer look at the distribution of the number needed to treat (NNT): a Bayesian approach. Biostatistics. 2003;4:365–370
  18. Wu LA, Kottke TE. Number needed to treat: Caveat emptor. J Clin Epidemiol. 2001;54:111–116
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PII: S0895-4356(04)00177-5

doi: 10.1016/j.jclinepi.2004.01.021

Journal of Clinical Epidemiology
Volume 57, Issue 12 , Pages 1244-1252 , December 2004

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