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Table 2 Univariate Analysis of Overall Survival among patients with Grade 2 and Grade Ependymomas (n = 19) treated with Fractionated Stereotactic Radiotherapy (FSRT).

From: Local radiotherapeutic management of ependymomas with fractionated stereotactic radiotherapy (FSRT)

Variable 5 yrs. Survival rate 10 yrs. Survival rate P (Cox regression)
all patients 77% 64%  
age    
< 4 56% 18% 0.04
≥ 4 85% 76%  
gender    
female 76% 61% 0.92
male 78% 66%  
histology    
II 87% 52% 0.92
III 64% 64%  
tumor site    
supratentorial 100% 0% 0.44
infratentorial 72% 55%  
extent of surgery    
total resection 100% 67% 0.54
subtotal resection 70% 62%  
primary radiotherapy    
FSRT+CSI - - 0.45
posterior fossa + boost 78% 78%  
tumor bed 100% 100%