Dear Newsgroup, Recently i was asked to give a statement towards required sample size in Survival Historical Controled Trials. To calculae the required number of Deaths in a randomized trial i may use (very simple!!) the george& desu method, but in the above case i know the sample size of one arm and i do not have a good feeling to just acquire the same number of patients again and calculate for example the power based on these numbers.
Greetings Christoph Int-Veen . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
