Table 1 Non-significant prognostic factors

Primary metastatic disease

0.36

0.35

0.53

Infiltration of the fourth ventricle

0.45

0.33

0.8

Tumor location (lateral vs. medial)

0.48

0.29

0.53

Age (≤18 y vs. >18 y)

0.22

-

0.11

Age (≤21 y vs. >21 y)

0.5

0.73

0.62

Extent of resection (complete vs. partial)

0.43

0.97

0.19

Administration of chemotherapy

0.7

0.59

0.27