Adverse prognostic factors
3 yr event-free survival / european data
Subtotal Resection
–
53% vs. 83%
p=0.029
Anaplastic Tumor Grade
–
50% vs. 94%
p<0.0001
Pre-irradiation Chemotherapy
–
54% vs. 86%
p=0.0017
Multivariate Analysis
–
Extent of Resection
p=0.018
–
Tumor Grade
p=0.0003
–
Pre-irradiation Chemoth.
p=0.0106
Intracranial ependymoma