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["Variables","Univariate",null,"Multivariate"]
[null,"HR (95% CI)","p value","HR (95% CI)","p value"]
["Gender (M / F)","0.83 (0.49-1.41)",0.49]
["Age (< 15 y / ≥ 15 y)","0.98 (0.96-1.00)",0.04,"0.75 (0.42-2.58)",0.01]
["Neurological presentation (Y / N)","1.05 (0.53-2.06)",0.89]
["Coexisting NM (Y / N)","0.77 (0.68-1.86)",0.03,"2.11 (1.06-3.23)","< 0.01"]
["Interval to NM (< 1 y /  ≥ 1 y)","2.68 (0.92-3.41)","< 0.01","1.85 (1.03-3.22)","< 0.01"]
["Primary tumors"]
["Medulloblastoma","0.63 (0.27-1.48)",0.29]
["GCTs","0.91 (0.36-2.15)",0.83]
["Glioma","0.35 (0.11-1.08)",0.67]
["Ependymal tumors","0.80 (0.26-2.50)",0.71]
["PPTs","3.01 (0.94-10.11)",0.63]
["others","0.83 (0.21-2.89)",0.88]
["Metastatic sites"]
["Whole leptomeninges","0.56 (0.23-1.76)",0.03,"0.88 (0.23-1.78)",0.36]
["Ventricular system","1.15 (0.52-3.03)",0.48]
["Cerebrospinal parechyma","2.21 (1.30-3.85)",0.75]
["NM types"]
["Miliary","0.88 (0.48-1.64)",0.71]
["Procumbent","1.18 (0.37-3.74)",0.77]
["Nodal","0.60 (0.29-1.20)",0.01,"0.52 (0.23-1.66)",0.03]
["Massive","0.96 (0.45-2.06)",0.92]
["Treatment (OP / CT or RT)","1.03 (0.56-1.91)",0.93]
["M, male; F, female; OP, operation; CT, chemotherapy; RT, radiotherapy."]

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