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. Author manuscript; available in PMC: 2016 May 16.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2014 Dec 1;90(5):1119–1125. doi: 10.1016/j.ijrobp.2014.08.004

Table 4.

Results of Cox multivariate analysis with central nervous system progression-free survival as endpoint (N = 163)

Therapy HR 95% CI P
Stem cell transplantation after radiation therapy
  Yes 1
  No 3.89 1.85–8.17 <.001
Radiation type
  CS 1
  WB 1.12 0.48–2.62 .80
  BOS 2.84 1.22–6.60 .02

Abbreviations: BOS = base of skull radiation therapy; CI = confidence interval; CS = craniospinal radiation therapy; HR = hazard ratio; WB = whole brain radiation therapy.