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

Table 3 Analysis of prognostic variables for progression - free survival

Variables	Median survival (months)	Univariate analysis* p value	Multivariate analysis^†p value
Age
≥50	6	0.279
<50	6
KPS
≥70	6	0.016	0.059
<70	5
Combined TMZ chemotherapy
Yes	6	0.447	0.479
No	5

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

ISSN: 1748-717X