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Table 1 Characteristics of 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  
Sex (Male/Female) 34/8 53/14 N.S.
Age (years) 71.7 ± 7.4 68.6 ± 10.8 N.S.
Tumor location (U/M/L) 9/16/17 12/18/37 N.S.
Tumor diameter (mm, mean ± SD) 17.5 ± 13.8 19.7 ± 10.1 N.S.
Macroscopic type (protruded or flat elevated/depressed) 23/19 18/49 <0.01
Color (reddish/normal & pale) 12/30 31/36 N.S.
Atrophic border (oral side/anal side of tumor) 38/4 46/21 <0.01
Intestinal metaplasia around tumor (present/absent) 10/32 12/55 N.S.
Histologic type (intestinal/diffuse) 41/1 55/12 <0.05
Mucin phenotype (G-type/I-type/M-type) 14/17/11 18/32/17 N.S.
Depth (intramucosal/submucosal) 38/4 53/14 N.S.
Ulceration (+/−) 1/41 8/59 N.S.
Visibility of DL with indigo carmine only (good/bad) 4/38 13/54 N.S.
  1. U upper stomach, M middle stomach, L lower stomach, G-type Gastric type, I-type Intestinal type, M-type Mix type