Accounting for treatment by center interaction in sample size determinations and the use of surrogate outcomes in the pessary for the prevention of preterm birth trial: a simulation study

The Pessary for the Prevention of Preterm Birth Study (PS3) is an international, multicenter, randomized clinical trial designed to examine the effectiveness of the Arabin pessary in preventing preterm birth i...

from #MedicinebyAlexandrosSfakianakis via xlomafota13 on Inoreader http://ift.tt/29vT9tE
via IFTTT