| |
Early phase post-ESD bleeding
|
Later phase post-ESD bleeding
|
Total instances of post-ESD bleeding
|
|---|
| |
Bleeding
|
Non-bleeding
|
Bleeding
|
Non-bleeding
|
Bleeding
|
Non-bleeding
|
P-value
|
|
No. of lesions
|
10
| |
289
| |
16
| |
273
| |
26
| |
273
| | |
|
Aged ≥65 years
|
9
|
90.0%
|
231
|
79.9%
|
13
|
81.3%
|
218
|
79.9%
|
22
|
84.6%
|
218
|
79.9%
|
0.539
|
|
Male sex
|
9
|
90.0%
|
216
|
74.7%
|
14
|
87.5%
|
202
|
74.0%
|
23
|
88.5%
|
202
|
74.0%
|
0.103
|
|
Tumor location
|
|
Upper third
|
4
|
40.0%
|
43
|
14.9%
|
2
|
12.5%
|
41
|
15.0%
|
6
|
23.1%
|
41
|
15.0%
|
0.259
|
|
Middle third
|
3
|
30.0%
|
139
|
48.1%
|
10
|
62.5%
|
129
|
47.3%
|
13
|
50.0%
|
129
|
47.3%
|
0.809
|
|
Lower third
|
3
|
30.0%
|
107
|
37.0%
|
4
|
25.0%
|
103
|
37.7%
|
7
|
26.9%
|
103
|
37.7%
|
0.277
|
|
Length of the resected specimen ≥40 mm
|
6
|
60.0%
|
89
|
30.8%
|
7
|
43.8%
|
82
|
30.0%
|
13
|
50.0%
|
82
|
30.0%
|
0.036
|
|
Elevated type morphology
|
6
|
60.0%
|
168
|
58.1%
|
9
|
56.3%
|
159
|
58.2%
|
15
|
57.7%
|
159
|
58.2%
|
0.949
|
|
Depth of invasion
|
|
M
|
8
|
80.0%
|
255
|
88.2%
|
13
|
81.3%
|
242
|
88.6%
|
21
|
80.8%
|
242
|
88.6%
|
0.230
|
|
SM, ≤500 uL
|
1
|
10.0%
|
15
|
5.2%
|
1
|
6.3%
|
14
|
5.1%
|
2
|
7.7%
|
14
|
5.1%
|
0.562
|
|
SM, > 500 uL
|
1
|
10.0%
|
19
|
6.6%
|
2
|
12.5%
|
17
|
6.2%
|
3
|
11.5%
|
17
|
6.2%
|
0.297
|
|
Ulcer scar within the lesion
|
0
|
0.0%
|
16
|
5.5%
|
0
|
0.0%
|
16
|
5.9%
|
0
|
0.0%
|
16
|
5.9%
|
0.214
|
|
Use of antithrombotic agents
|
5
|
50.0%
|
76
|
26.3%
|
10
|
62.5%
|
66
|
24.2%
|
15
|
57.7%
|
66
|
24.2%
|
0.0002
|
|
Forrest IIa + IIb ulcers requiring prophylactic hemostasis
|
–
| |
–
| |
7
|
43.8%
|
48
|
17.6%
|
7
|
26.9%
|
48
|
17.6%
|
0.275
|
- ESD endoscopic submucosal dissection, CI confidence interval, M mucosal layer, SM submucosal layer
