Table 2: Cox Proportional Hazards Mode
Characteristic HR (95% CI) 95% CI p-value
Age (per year) 1.02 1.01, 1.02 <0.001
Sex (Male vs Female) 0.96 0.86, 1.08 0.5
Topology (ref = AsanLezyon)


    Overlapping lesion of brain
    BrainStem 0.92 0.68, 1.26 0.6
    Cerebellum 0.37 0.26, 0.54 <0.001
    FrontalLobe 0.80 0.67, 0.94 0.007
    OccipitalLobe 0.55 0.39, 0.77 <0.001
    ParietalLobe 0.62 0.51, 0.76 <0.001
    TemporalLobe 0.77 0.65, 0.92 0.003
    Ventricles 0.42 0.26, 0.67 <0.001
Histology (ref = Glioma)


    Glioma
    Astrocytic 1.10 0.89, 1.37 0.4
    Embryonal 0.95 0.61, 1.49 0.8
    Ependimoma 1.45 0.95, 2.20 0.081
    Glioblastoma 4.31 3.56, 5.22 <0.001
    Lymphoma 3.18 2.15, 4.71 <0.001
    Medulloblastoma 2.38 1.53, 3.72 <0.001
Surgery (ref = no) 0.67 0.55, 0.81 <0.001
Radiotherapy (ref = no) 1.04 0.91, 1.18 0.6
Chemotherapy (ref = no) 0.88 0.76, 1.01 0.075
Abbreviations: CI = Confidence Interval, HR = Hazard Ratio