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Table 1 The relationship between GPX2 protein expression and ESCC patients’ clinicopathological characteristics

From: Clinicopathological and prognostic significance of GPX2 protein expression in esophageal squamous cell carcinoma

Clinical features Cases GPX2+ GPX2− P value
Age
 ≤ 58 years 83 70 13 0.539
 > 58 years 78 62 16  
Sex
 Male 117 95 22 0.670
 Female 44 37 7  
Size     
 ≤ 4.5 cm 98 83 15 0.265
 > 4.5 cm 63 49 14  
Site
 Upper 13 12 1 0.380
 Middle 107 89 18  
 Below 41 31 10  
Gross morphology
 Medullary 79 69 10 0.258
 Umbrella 11 9 2  
 Ulcer 54 40 14  
 Stenosis 17 14 3  
Histological grade
 I 46 41 5 <0.001
 II 94 86 8  
 III 21 5 16  
TNM stages
 I~II 86 75 11 0.118
 III 73 55 18  
 IV 2 2 0  
  1. GPX2+: ESCC with GPX2-positive expression; GPX2−: ESCC with GPX2-negative expression
  2. Histological grade: I, high differentiated ESCC; II, moderately differentiated ESCC; III, poorly differentiated ESCC