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Table 2 Characteristics of HCC patients in TCGA-LIHC dataset

From: A gene-based risk score model for predicting recurrence-free survival in patients with hepatocellular carcinoma

  7-gene signature The chi-square test Univariate cox regression
Variables Score Low-risk (200) High-risk (134) p value HR
3.607
p value
< 0.001
Gender    0.330 0.975 0.879
 Male 140 87    
 female 60 47    
Age (years)    0.785 1.048 0.769
  < 60 91 63    
  ≥ 60 109 71    
BMI (kg/m2)    0.061 0.900 0.509
  < 25 91 75    
  ≥ 25 109 59    
TNM    < 0.001 1.680 < 0.001
 I 123 44    
 II 44 39    
 III 31 50    
 IV 2 1    
Grade    0.001 1.112 0.515
 1 + 2 139 68    
 3 + 4 61 64    
 NA 0 2    
AFP (ng/ml)    0.014 0.976 0.913
  < 300 134 63    
  ≥ 300 31 30    
 NA 35 41    
Child-Pugh score    0.082 1.202 0.581
 A 136 68    
 B-C 10 11    
 NA 56 55