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Table 5 Correspondence between preoperative CT and EUS results and pathological LNM

From: Difficulty of predicting the presence of lymph node metastases in patients with clinical early stage gastric cancer: a case control study

  LNM (−) LNM (+) p-value
CT Tumor detectability Undetectable 776 (80.2 %) 56 (75.7 %) 0.367
Detectable 192 (19.8 %) 18 (24.3 %)  
Presence of LNM Unsuspected 935 (96.6 %) 65 (87.8 %) 0.002
Suspected 33 (3.4 %) 9 (12.2 %)  
EUSa Tumor depth Mucosa 151 (33.0 %) 10 (30.3 %) 0.298
Submucosa 283 (61.8 %) 20 (60.6 %)  
Proper muscle 22 (4.8 %) 2 (6.1 %)  
Serosa exposure 2 (0.4 %) 1 (3.0 %)  
Presence of LNM Unsuspected 442 (96.5 %) 30 (90.9 %) 0.128
Suspected 16 (3.5 %) 3 (9.1 %)  
  1. aData from 491 patients were available
  2. LNM lymph node metastasis, CT computed tomography, EUS endoscopic ultrasonography