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A note on calculating asymptotic confidence intervals for the adjusted risk difference and number needed to treat in

Ruediger P Laubender1, Ralf Bender

  • 1German Cancer Consortium (DKTK), Heidelberg, Germany; Institute of Medical Informatics, Biometry, and Epidemiology (IBE), Faculty of Medicine, Ludwig-Maximilians-University Munich, Munich, Germany; German Cancer Research Center (DKFZ), Heidelberg, Germany.

Statistics in Medicine
|August 1, 2013
PubMed

Keywords:
Cox proportional hazards regressionadjustmentconfidence intervalsconfoundingcounting processexposure impact number (EIN)number needed to be exposed (NNE)number needed to treat (NNT)risk difference (RD)

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