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Table 7 Histopathological factors affecting endoscopic ultrasonography (EUS) N staging

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

Variables n Incorrect staging, n (%) P Odds ratio (95% CI) P
Total 309 90 (29.1)    
Tumor size, mm      
 < 20 mm 80 4 (5.0) < 0.001 4.389 (1.447to13.307) < 0.01
 2 to 50 mm 141 38 (27.0)   8.170 (2.468to27.050) 0.001
  ≥ 50 mm 88 48 (54.5)    
Tumor location I      
 Upper 18 9 (50.0) 0.13   
 Middle 137 38 (27.7)    
 Lower 154 43 (27.9)    
Tumor location II      
 Wall 162 38 (23.5) < 0.001 1.00 (0.55to1.82) 0.10
 Curvature 131 39 (29.8)   4.38 (1.02to18.83) 0.05
 Circumferential 16 13 (81.3)    
Histological type      
 Differentiated 147 41 (27.9) 0.65   
 Undifferentiated 162 49 (30.2)    
Ulceration      
 Yes 227 63 (27.8) 0.38   
 No 82 27 (32.9)    
Lauren      
 Intestinal type 142 38 (26.8) 0.23   
 Mixed type 60 23 (38.3)    
 Diffuse type 107 29 (27.1)    
Tumor depth      
 Mucosa 107 8 (7.5)   3.32 (1.35to8.20) < 0.01
 Sub-mucosa 85 22 (25.9)   6.92 (2.52to19.03) < 0.001
 Muscular propria 36 16 (44.4)   4.52 (1.57to12.10) < 0.01
 Sub-serosa 34 15 (44.1)   6.49 (2.28to18.51) < 0.001
 Serosa-exposed 47 29 (61.7) < 0.001   
  1. CI, confidence interval.