| Total n = 425 | Post-operative bleeding n = 20 | No post-operative bleeding n = 405 | p-value |
---|---|---|---|---|
Sex (male/female) | 302/123 | 18/2 | 284/121 | n. s.* |
Age (years, mean ± SD) | 72.1 ± 8.6 | 71.9 ± 10.0 | 72.1 ± 8.5 | n. s.** |
Tumor location (n, %) | Â | Â | Â | Â |
 Upper | 65 (15) | 3 (15) | 62 (15) | n. s.* |
 Middle | 179 (42) | 6 (30) | 173 (43) | n. s.* |
 Lower | 181 (43) | 11 (55) | 170 (42) | n. s.* |
Tumor size (mm, mean ± SD) | 18.4 ± 12.6 | 29.6 ± 21.8 | 17.8 ± 11.7 | <0.05** |
Specimen size (mm, mean ± SD) | 33.9 ± 13.3 | 41.3 ± 17.6 | 33.6 ± 12.9 | 0.07** |
Invasion depth | Â | Â | Â | Â |
 M | 396 | 18 | 378 | n. s.* |
 SM1 | 15 | 1 | 14 | n. s.* |
 SM2 | 14 | 1 | 13 | n. s.* |
Ulceration (+/-) | 418/7 | 19/1 | 399/6 | n. s.* |
Medication used (n, %) | Â | Â | Â | Â |
 Continued use of LDA | 21 (9) | 2 (10) | 19 (5) | n. s.* |
 Continued use of LDA + heparin replacement | 4 (1) | 1 (5) | 3 (0.7) | n. s.* |
 Heparin replacement | 21 (5) | 5 (25) | 16 (4) | <0.05* |
 Cessation of antithrombotic agent during ESD procedure | 41 (9) | 2 (10) | 39 (10) | n. s.* |
Comorbidity (n, %) | Â | Â | Â | Â |
 Liver cirrhosis | 20 (5) | 2 (10) | 18 (4) | n. s.* |
 CKD undergoing hemodialysis | 20 (5) | 4 (20) | 16 (4) | <0.05* |
 Second-look endoscopy (+/-) | 356/69 | 19/1 | 337/68 | n. s.* |