Research Article

Procedure Time for Gastric Endoscopic Submucosal Dissection according to Location, considering Both Mucosal Circumferential Incision and Submucosal Dissection

Table 5

Subgroup analyses by procedure time for mucosal incision and submucosal dissection on ESD.

Mucosal incision Submucosal dissection
LocationRate, median
(range)
Interquartile range valueLocationRate, median
(range)
Interquartile range value

Fast group8, 9, 10, 1115.6 
(3.3–95.8)
128, 9, 10, 11170.5 
(19.3–942.0)
178.7
Moderate group2, 3, 4, 512.4 
(2.6–35.5)
10.63, 4, 5, 697.7 
(7.6–506.6)
79.7
Late group1, 6, 7, 128.2 
(12.2–474.4)
6.71, 2, 7, 1289.2 
(12.2–474.4)
90.40.42

1: the lesion across the esophagogastric junction (AEGJ); 2: fornix; 3: lesser curvature of the body; 4: greater curvature of the body; 5: anterior wall of the body; 6: posterior wall of the body; 7: the lesion across the angle; 8: lesser curvature of the antrum; 9: greater curvature of the antrum; 10: anterior wall of the antrum; 11: posterior wall of the antrum; 12: the lesion across the pylorus ring (APR).