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Table 1 Clinical characteristics of the studied cases

From: Medulloblastoma: clinicopathological parameters, risk stratification, and survival analysis of immunohistochemically validated molecular subgroups

  No. (%)
Age in years  
 < 3 (infants) 8 (20%)
 3-16 (pediatric age) 27 (67.5%)
 > 16 (adults) 5 (12.5%)
Mean ± SD. 7.7 ± 6.2
Median (min.-max.) 5 (1.8-26)
Sex  
 Male 22 (55%)
 Female 18 (45%)
Location of the mass  
 Midline 27 (67.5%)
 Lateral 13 (32.5%)
Computerized tomography (CT) mass size  
 < 3 cm 21 (52.5%)
 > 3 cm 19 (47.5%)
Type of surgery  
 Gross-total resection 6 (15%)
 Near-total resection 10 (25%)
 Sub-total resection 24 (60%)
Residual size after surgery  
 < 1.5 cm2 18 (45%)
 > 1.5 cm2 22 (55%)
Metastasis at diagnosis  
 M0 21 (52.5%)
 M+ 19 (47.5%)
Postoperative protocol  
 No therapy 3 (7.5%)
 Radiation therapy 13 (32.5%)
 Radiation plus chemotherapy 24 (60%)
Risk stratification  
 Standard risk 18 (45%)
 High risk 22 (55%)
Recurrence rate  
 No 11 (27.5%)
 Yes 29 (72.5%)
Death  
 Survival 20 (50%)
 Death 20 (50%)