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Table 5 Histopathological factors affecting T overstaging in the subgroups

From: Low accuracy of endoscopic ultrasonography for detailed T staging in gastric cancer

Variables EGCs AGCs
  n Overstaging, n (%) P n Overstaging, n (%) P
Total 192 97 (50.5)   117 40 (34.2)  
Tumor size, mm       
 < 20 75 30 (40.0) 0.03    
 2to50 90 49 (54.4)   56 9 (16.1)1 < 0.001
  ≥ 50 27 18 (66.7)   61 31 (50.8)  
Tumor locationI       
 Upper 3 1 (33.3) 0.87 15 5 (33.3)  
 Middle 81 42 (51.9)   56 19 (33.9) 0.99
 Lower 108 54 (50.0)   46 16 (34.8)  
Tumor locationII       
 Wall 115 57 (49.6) 0.88 47 13 (27.7)  
 Curvature 75 39 (52.0)   56 18 (32.1)  
 Circumferential 2 1 (50.0)   14 9 (64.3) 0.04
Histological type       
 Differentiated 102 47 (46.1) 0.19 45 19 (42.2) 0.15
 Undifferentiated 90 50 (55.6)   72 21 (29.2)  
Ulceration       
 Yes 139 68 (48.9) 0.47 88 26 (29.5) 0.07
 No 53 29 (54.7)   29 14 (48.3)  
Lauren       
 Intestinal type 101 46 (45.5) 0.33 41 17 (41.5) 0.32
 Mixed type 31 18 (58.1)   29 7 (24.1)  
 Diffuse type 60 33 (55.0)   47 16 (34.0)  
  1. EGCs, early gastric cancers; AGCs, advanced gastric cancers.
  2. 10to50 mm.