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Table 2 Clinical outcomes of ESD for EGCs between useful and useless groups

From: Useful condition of chromoendoscopy with indigo carmine and acetic acid for identifying a demarcation line prior to endoscopic submucosal dissection for early gastric cancer

Clinicopathological features Useful Useless P value
Number of cases 42 67  
Complete en-bloc resection 42 59 N.S.
Degree of fibrosis during ESD (F0&F1/F2) 2 12 N.S.
Histologically positive HM 0 5 N.S.
Local recurrence rate (%) 0 0 N.S.
Procedure time (min, mean ± SD) 76 ± 53 95 ± 75 N.S.
Poor control of bleeding During ESD 8 17 N.S.
Perforation 0 4 N.S.
Post-ESD bleeding 1 3 N.S.
  1. HM horizontal margin