Clinicopathological features and treatment outcomes of brain stem gliomas in Saudi population

Table 6 Multivariate analysis of various prognostic factors in brainstem glioma

Variables	RR (95%CI)	P value
Age at diagnosis (> 18 yr)	3.0 (1.8-6.0)	0.01
KPS < 80	3.3 (1.7–5.3)	0.02
Duration of symptoms (< 60 d)	6.7 (4.3-9.4)	0.002
Histopathology (high grade)	6.1 (3.5-10.2)	0.002
MRI characteristics (presence of necrosis)	3.0 (1.9-5.9)	0.01
Incomplete resection for favorable tumors	6.6 (3.9-12.2)	0.002
No concurrent chemotherapy with RT	3.1 (2.2- 8.2)	0.01