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Table 1 Correlation between the clinicopathologic features and expression of Bmi-1 protein

From: Prognostic relevance of Bmi-1 expression and autoantibodies in esophageal squamous cell carcinoma

Characteristics Bmi-1 expression P
  No or low High  
Age(y) 55.8 ± 10.4 57.6 ± 9.9 0.576
Gender    
   Male 61(47.3) 68(52.7) 0.970
   Female 20(47.6) 22(52.4)  
Stage    
   I-IIa 50(58.8) 35(41.2) 0.003
   IIb-IV 31 (36.0) 55(64.0)  
Histological differentiation    
   Well 31(56.4) 24(43.6)  
   Moderate 29(40.3) 43(59.7) 0.315
   Poor 21(47.7) 23(52.3)  
Tumor diameter    
   <40 mm 29(40.3) 43(59.7) 0.115
   ≥40 mm 52(52.5) 47(47.5)  
Depth of invasion    
   Submucosa 6(50.0) 6(50.0) 0.782
   Muscularis propria 28(48.3) 30(51.7)  
   Adventitia 47(46.5) 54(53.5)  
pT classification    
   T1 ~ T2 32(54.2) 27(45.8) 0.194
   T3 ~ T4 49(43.8) 63(56.3)  
pN classification    
   YES 30(39.0) 47(61.0) 0.047
   NO 51(54.3) 43(45.7)  
pMetastasis    
   YES 5(55.6) 4 (44.4) 0.616
   NO 76(46.9) 86 (53.1)  
  1. * The percentages in Table 1 are the row percentages.