Procedure Time for Gastric Endoscopic Submucosal Dissection according to Location, considering Both Mucosal Circumferential Incision and Submucosal Dissection
Table 3
Characteristics of the cases in the 12 locations.
Location
Mean age
Sex Females : males
Ulcer or scar (%)
Hidden fibrosis (%)
Much time to hemostasis (%)
Tumor size (mm), median
Circumference (mm), median
Resected area (mm2), median
1
5
64.4
1 : 4
1/5 (20)
1/5 (20)
3/5 (60)
12
206.9
3187.1
2
7
72.1
2 : 5
1/7 (14.3)
2/7 (28.6)
3/7 (42.9)
10.5
182.3
2637.6
3
33
72.4
7 : 26
2/33 (6.1)
8/33 (24.2)
10/33 (30.3)
13.5
195.3
2901.4
4
21
69.5
3 : 18
2/21 (9.5)
2/21 (9.5)
3/21 (14.3)
16
201.8
3165.1
5
22
72.4
4 : 18
1/22 (4.5)
2/22 (9.1)
5/22 (22.7)
14
200
3132.2
6
46
70.1
12 : 34
4/46 (8.7)
8/46 (17.4)
13/46 (28.3)
14.5
182.2
2637.6
7
34
74.1
10 : 24
4/34 (11.8)
6/34 (17.6)
9/34 (26.5)
18
226.8
4042.8
8
45
72.6
14 : 31
4/45 (8.9)
4/45 (8.9)
2/45 (4.4)
18.5
219.2
3733.5
9
17
71.5
3 : 14
2/17 (11.8)
1/17 (5.9)
0/17 (0)
10.5
182.5
2625
10
34
72.2
12 : 22
1/34 (2.9)
0/34 (0)
1/34 (2.9)
12
183.6
2512
11
34
74.4
9 : 25
1/34 (2.9)
0/34 (0)
2/34 (5.9)
12
173.1
2373.8
12
4
76
3 : 1
1/4 (25)
1/4 (25)
0/4 (0)
14
211.1
3504.2
value
0.24
<0.05
<0.01
<0.01
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).
