Variable

n*

%

Overall Survival (Months)

p value

Histopathological Type

0.03

Low Grade

23

66%

93

High Grade

12

34%

21

Operation Type

0.9

Gross total excision

11

31%

36

Subtotal excision

24

69%

36

Tumor Localization

0.85

Frontal

18

52%

36

Parieto-occipital

11

31%

58

Temporal

6

17%

93

Age

0.3

<55

16

45%

58

≥55

19

55%

26