WebJan 28, 2024 · Purpose: To investigate whether progression-free survival (PFS) or time to progression (TTP) could be a valid surrogate endpoint for overall survival (OS) in patients … WebNational Center for Biotechnology Information
Historical time to disease progression and progression-free
WebScott Woodbury-Stewart. An expert in the test prep game, Scott has spent more than a decade helping test-takers bust through score plateaus and surpass their score goals on … WebThe sample sizes required to power for PFS/TTP and OS were calculated retrospectively for each trial using the observed median PFS/TTP and median OS in the treatment groups for treatment effect, the actual recruitment period, and the actual total study duration (α=0.05, two-sided log-rank test, 80% power). graphcore action bourse
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