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Table 2 Characteristics of tumors in the two groups

From: Comparison of sedation between the endoscopy room and operation room during endoscopic submucosal dissection for neoplasms in the upper gastrointestinal tract

 

Group E

Group O

P value

Size of tumors (mm)

17.3 ± 10.5

19.7 ± 17.0

0.14

Location of tumors

  

0.10

 Esophagus

0 (0%)

2 (2.0%)

 

 Stomach

196 (100%)

99 (98.0%)

 

 Upper third

28 (14.3%)

12 (11.9%)

 

 Middle third

83 (42.3%)

52 (51.5%)

 

 Lower third

85 (43.4%)

35 (34.7%)

 

Number of tumors

  

0.07

 Single

185 (94.4%)

89 (88.1%)

 

 Multiple

11 (5.6%)

12 (11.9%)

 

Histological classification

  

0.65

 0-I

5 (2.6%)

4 (4.0%)

 

 0-IIa

82 (41.8%)

38 (37.6%)

 

 0-IIb

5 (2.6%)

6 (5.9%)

 

 0-IIc

92 (46.9%)

48 (47.5%)

 

 0-IIa + IIc

11 (5.6%)

5 (5.0%)

 

 SMT

1 (0.5%)

0 (0%)

 

Macroscopic classification

  

0.25

 Adenoma

55 (28.1%)

28 (27.7%)

 

 Tub1

114 (58.1%)

58 (57.4%)

 

 Tub2

18 (9.2%)

6 (5.9%)

 

 por

1 (0.5%)

4 (4.0%)

 

 Others

8 (4.1%)

5 (5.0%)

 

Depth of invasion

  

0.97

 m

174 (88.8%)

91 (90.1%)

 

 sm

22 (11.2%)

10 (9.9%)

 
  1. Group E: patients who underwent endoscopic submucosal dissection in the endoscopy room, Group O: patients who underwent endoscopic submucosal dissection in the operation room. Values are presented as mean ± standard deviation or n (%)