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Table 2 Clinical and histological characteristics of patients with glioma

From: Identification of potential biomarkers related to glioma survival by gene expression profile analysis

  TCGA (RNA-Seq) GSE16011 GSE4412 GSE4271
LGG GBM LGG GBM LGG GBM LGG GBM
  516 154 109 159 26 59 24 76
Sex
 Male 285 99 72 108 6 26 16 52
 Female 230 54 37 51 20 33 8 24
 Unknown 1 1       
Age
 Median (LQ-UQ) 41 (32–53) 60 (52–70) 44 (37–55) 55 (46–64) 34 (31–41) 47 (39–61) 35 (32–43) 49 (40–55)
Histology
 Astro. 194 (37.6%)   29 (24.8%)   8 (30.8%)    
 GBM   154 (100%)   159 (100%)   59 (100%)   
 Oligoastro. 130 (25.2%)   28 (23.9%)   7 (26.9%)    
 Oligodendro. 191 (37.0%)   52 (44.4%)   11 (42.3%)    
 Pilocytic Astro.         
 Unknown 1 (0.2%)        
Tumor grade
 G1         
 G2 249 (48.3%)   24 (20.5%)      
 G3 266 (51.6%)   85 (73.7%)   26 (100%)   24 (100%)  
 G4   153 (99.4%)   159 (100%)   59 (100%)   76 (100%)
 Unknown 1 (0.1%) 1 (0.6%)