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Table 4 Median OS and PFS according to pre-radiochemotherapy net enhancing tumor volume

From: Volumetric and MGMT parameters in glioblastoma patients: Survival analysis

  Events Median 95% CI Log-rank p
Overall Survival     0.002
   Small (< 75th percentile = 22.2 cm3) 44/49 20.10 15.24-24.96  
   Large (> = 75th percentile = 22.2 cm3) 14/16 11.28 6.96-15.60  
Progression-free Survival     0.002
   Small (< 75th percentile = 22.2 cm3) 46/49 11.70 7.70-15.71  
   Large (> = 75th percentile = 22.2 cm3) 15/16 7.84 4.37-11.31  
  1. Log-rank test for overall and progression-free survival in association with large and small pre-radiochemotherapy net enhancing tumor volume