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Calculating Number Needed to Treat for Survival Models

I’ve recently had to calculate number-needed-to-treat for a survival model.  I’ve found code by Austin [Absolute risk reductions and numbers needed to treat can be obtained from adjusted survival models for time-to-event outcomes Journal of Clinical Epidemiology 63 (2010) 46-55] and turned it into a SAS macro that can be found here: NNTsurv.sas . Most of the work is […]

Visiting Osaka

Here’s an invited talk I gave recently at Osaka University. I was asked to speak about “journal impact factor”, and turn it into a general intro into reading the literature. My thanks to the very gracious people at Osaka University for the opportunity to participate in the workshop on the “Risk Management Program for Thalidomide”. […]