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. Author manuscript; available in PMC: 2015 Dec 2.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2013 Mar 20;86(3):504–509. doi: 10.1016/j.ijrobp.2013.02.012

Fig. 1.

Fig. 1

Overall survival in glioblastoma patients by valproic acid (VA, n=29) or other antiepileptic drug (AED, n=374) use. Median survival was 16.9 or 13.6 months in patients receiving VA or another AED during radiation therapy, respectively (P=.16 by log–rank test). Estimated 2-year and 5-year survival was 34% and 10% or 23% and 5%, respectively.