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Table 3 Histopathological factors affecting endoscopic ultrasonography (EUS) T staging

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

Variables n Overstaging, % P Understaging, % P
Total 309 137 (44.3)   39 (12.6)  
Tumor size, mm
  <20 80 30 (37.5) 0.03 7 (8.8) 0.42
  2–50  141 58 (41.1)   21 (14.9)  
  ≥50  88 49 (55.7)   11 (12.5)  
Tumor locationI
  Upper  18 6 (33.3) 0.62 3 (16.7) 0.28
  Middle  137 61 (44.5)   21 (15.3)  
  Lower  154 70 (45.5)   15 (9.7)  
Tumor locationII
  Wall  162 70 (43.2) 0.32 20 (12.3) 0.65
  Curvature  131 57 (43.5)   16 (12.2)  
  Circumferential  16 10 (62.5)   3 (18.8)  
Histological type
  Differentiated  147 66 (44.9) 0.85 21 (14.3) 0.40
  Undifferentiated  162 71 (43.8)   18 (11.1)  
Ulceration
  Yes  227 94 (41.4) 0.08 31 (13.7) 0.36
  No  82 43 (52.4)   8 (9.8)  
Lauren
  Intestinal type  142 63 (44.4) 0.88 16 (11.3) 0.15
  Mixed type  60 25 (41.7)   12 (20.0)  
  Diffuse type  107 49 (45.8)   11 (10.3)