Table 1: Baseline Characteristics
Variable N N = 2,9961
Age (years) 2,996 42 (22)
Sex 2,996 1,270 (42%)
Tumor Topology 2,996
    Overlapping lesion of brain
573 (19%)
    BrainStem
194 (6.5%)
    Cerebellum
417 (14%)
    FrontalLobe
625 (21%)
    OccipitalLobe
112 (3.7%)
    ParietalLobe
386 (13%)
    TemporalLobe
583 (19%)
    Ventricles
106 (3.5%)
Histology Class 2,996
    Glioma
548 (18%)
    Astrocytic
647 (22%)
    Embryonal
110 (3.7%)
    Ependimoma
130 (4.3%)
    Glioblastoma
1,242 (41%)
    Lymphoma
63 (2.1%)
    Medulloblastoma
256 (8.5%)
Surgery Performed 2,996 2,668 (89%)
Radiotherapy 2,996 1,638 (55%)
Chemotherapy 2,996 738 (25%)
1 Mean (SD); n (%)