Table 2.
Background characteristics of patients by bleeding status on antithrombotic group
| Bleeding (n = 21) | Non-bleeding (n = 69) | p value | ||
|---|---|---|---|---|
| Age(yr) |
65.4 ± 13.4 |
64.7 ± 13.8 |
0.838 |
|
| Gender (M/F)(%M) |
12/9(57.1) |
42/27(60.9) |
0.760 |
|
|
H. pylori infection(+/−)(%positive) |
17/4(81.0) |
56/13(81.2) |
0.983 |
|
| Tumor size(mm) |
15.8 ± 6.1 |
15.7 ± 5.4 |
0.942 |
|
| Tumor type |
IIa |
11 |
40 |
0.411 |
| IIa + IIc |
2 |
12 |
||
| IIc |
8 |
17 |
||
| Ulcerative scars in the tumor(+/−)(%positive) |
5/16(23.8) |
16/53(23.2) |
0.953 |
|
| Histology (Adenoma/Well-differentiated adenocarcinoma) |
3/18(14.3) |
9/60(13.0) |
0.883 |
|
| Duaration of ESD(min) |
50.3 ± 18.8 |
42.1 ± 14.9 |
0.014※ |
|
| Location of tumor |
Antrum |
9 |
32 |
0.528 |
| Angulus |
7 |
15 |
||
| Corpus |
5 |
22 |
||
| Concrurrent disease(diabetes, renal failure, cirrhosis)(+/−)(%positive) |
3/18(14.3) |
25/44(36.2) |
0.057 |
|
| Gastroprotective agent(+/−)(%positive) |
5/16(23.8) |
34/35(49.3) |
0.039※ |
|
| LDA + warfarin(+/−)(%positive) |
12/9(57.1) |
9/60(13.0) |
<0.001※ |
|
| LDA + thienopyridine(+/−)(%positive) | 3/18(14.3) | 20/49(29.0) | 0.176 | |
ESD endoscopic submucosal dissection, LDA low-dose aspirin.
※p < 0.05 vs non-bleeding. Ratios were analysed using the χ2 test.