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Table 3 Clinicopathological characteristics of the lesions of the distinct border group and the indistinct border group after chromoendoscopy with indigo carmine dye added to acetic acid

From: Acetic acid-indigo carmine chromoendoscopy for delineating early gastric cancers: its usefulness according to histological type

  Distinct border group
(n = 127)
Indistinct border group
(n = 24)
P value
Tumor size    0.232
   ≤ 2 cm 80 12  
   > 2 cm 47 12  
Location    0.788
   Upper third of the stomach 10 1  
   Middle third of the stomach 51 9  
   Lower third of the stomach 66 14  
Macroscopic type    0.034
   Flat/Elevated 59 5  
   Depressed 52 12  
   Excavated 16 7  
Histopathological diagnosis    0.002
   Differentiated 97 11  
   Undifferentiated 30 13  
Depth    0.273
   Mucosal 93 15  
   Submucosal 30 9  
   Advanced 4 0