Table 2.
Treatment outcomes of the ESD before propensity score matching
| Total n = 149 | ESD-M n = 73 | ESD-F n = 76 | p value | |
|---|---|---|---|---|
| Usage rate of hemostatic forceps | 75 (50.3%) | 10 (13.7%) | 65 (85.5%) | < 0.001* ‡ |
| Expert | 28/70 (40.0%) | 9/47 (19.1%) | 19/23 (82.6%) | < 0.001* ‡ |
| Trainee | 47/79 (59.5%) | 1/26 (3.8%) | 46/53 (86.8%) | < 0.001* ‡ |
| Procedure time(min) | ||||
| Mean ± SD | 80.1 ± 51.1 | 83.8 ± 49.7 | 76.7 ± 52.4 | 0.4¶ |
| Median(range) | 70 (7–410) | 74.0 (7–252) | 69.5 (18–410) | 0.3§ |
| En bloc resection | 149 (100%) | 73 (100%) | 76 (100%) | 1‡ |
| Complete resection | 145 (97.3%) | 70 (95.9%) | 75 (98.7%) | 0.36‡ |
| Perforation | 1 (0.7%) | 0 (0%) | 1 (1.3%) | 1‡ |
| Post-procedure bleeding | 9 (6.0%) | 4 (5.5%) | 5 (6.6%) | 1‡ |
ESD endoscopic submucosal dissection, ESD-M endoscopic submucosal dissection with Splash M-knife, ESD-F endoscopic submucosal dissection with Flush Knife BT, SD standard deviation
p value was calculated using Fisher’s exact test ‡for categorical data
p value was calculated using the t test ¶ and the Mann-Whitney U test § for continuous data
*significant value