Skip to main content
. Author manuscript; available in PMC: 2016 Jan 6.
Published in final edited form as: Gynecol Oncol. 2013 Nov 15;132(1):8–17. doi: 10.1016/j.ygyno.2013.11.008

Fig. 3.

Fig. 3

A. Loss of correlation of PFS with OS as a function of increasing PPS (post-progression survival, referred to below as SPP or survival post progression). B. Power to preserve a PFS effect. SPP (survival post progression).

Broglio KR, Berry DA. Detecting an overall survival benefit that is derived from progression-free survival. J Natl Cancer Inst 2009;101(23):1642-164927. Reprinted by permission of Oxford University Press.