P value

Visual outcome

Not improved Improved

Variables

0.05

3 (30%) 7 (70%)

19 (90%) 2 (10%)

Duration of visual symptoms

o <6 months

o >6 months

0.04

8 (89% ) 1 (11%)

14 (64%) 8 (36%)

Peritumoral edema

o Present

Absent

0.04

7 (87.5%) 1 (12.5%)

15 (65%) 8 (35%)

Arterial encasement

o Present

o Absent

0.05

22 (92%) 2 (8%)

0 (0%) 7 (100%)

Brain-tumor interface

o Clear

o Not clear