Publications by authors named "Irini Karapanagiotou-Schenkel"

10Publications

Some Issues of Sample Size Calculation for Time-to-Event Endpoints Using the Freedman and Schoenfeld Formulas.

J Biopharm Stat 2015 28;25(6):1285-311. Epub 2015 Jan 28.

b Institute of Medical Biometry and Informatics, University of Heidelberg , Heidelberg , Germany.

View Article and Find Full Text PDF
July 2016

Sample sizes for time-to-event endpoints: should you insure against chance variations in accrual?

Contemp Clin Trials 2012 Mar 9;33(2):456-8. Epub 2011 Nov 9.

National Center for Tumor Diseases Heidelberg, Germany.

View Article and Find Full Text PDF
March 2012