Table 6.

A statistical analysis of variables associated with peritumoral edema.

Pre-treatment characteristic	Likelihood ratio	p-Value
Pre-treatment peritumoral edema	15.77	0.001
Anatomical classification	1.28	0.293
Adjacent to vein	4.83	0.045
Volume (cc)	0	1
Recurrence	2.77	0.116
Cumulative dose	0.002	0.968

p-Values are for two-sided Fisher’s Exact Test.