Re-irradiation of recurrent glioblastoma multiforme using 11C-methionine PET/CT/MRI image fusion for hypofractionated stereotactic radiotherapy by intensity modulated radiation therapy

Table 2 Analysis of prognostic variables for overall survival

Variables	Median survival (months)	Univariate analysis* p value	Multivariate analysis^†p value
Age
≥50	10	0.931
<50	11
KPS
≥70	12	<0.001	0.005
<70	5
Combined TMZ chemotherapy
Yes	12	0.079	0.581
No	6

Abbreviations as in Table 1.
Statistical analyses were performed with *Log - rank test and ^†Cox’s proportional hazards model.

ISSN: 1748-717X