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Table 2 Accuracy of endoscopic ultrasonography (EUS) for T staging

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

EUS stage Pathological stage   EUS stage Pathological stage  
T1 T2 T3 T4 Total T1a T1b T2a T2b T3 T4 Total
T1 155 9 3 0 174 T1a 34 11 0 0 0 0 46
T2 36 37 5 0 87 T1b 60 50 6 3 3 0 128
T3 1 22 25 2 45 T2a 11 21 16 9 2 0 64
T4 0 2 12 0 3 T2b 2 2 4 8 3 0 23
       T3 0 1 9 13 25 2 45
       T4 0 0 1 1 12 0 3
Total 192 70 45 2 309 Total 107 85 36 34 45 2 309
Overall accuracy, %    70.2     43.0       
Overall accuracy, % 1       41.2       
  1. 1pT1a–pT2b; n = 262.