Table 2.
Procedure-related outcomes.
| UEMR | GIEMR | Effect size | P | |
|---|---|---|---|---|
| En bloc resection | 13/14 (93%) |
10/10 (100%) |
0.181 | 1.01 |
| R0 resection | 8/14 (57%) |
8/10 (80%) |
0.241 | 0.393 |
| Median procedure time (range, minutes) | 10 (3–25) |
5 (3–10) |
0.992 | 0.0164 |
| Median amount of filling water/gel (range, ml) | 1705 (100–480) |
100 (50–100) |
1.492 | 0.00124 |
| Adverse events | NaN | 1.03 | ||
| Intraprocedural or delayed perforation | 0 | 0 | ||
| Intraoperative bleeding | 1 | 1 | ||
| Delayed bleeding | 0 | 0 |
1Cramer's V. 2Cohen's d. 3Fisher's exact test. 4Mann–Whitney U test. 5Only seven recorded cases. GIEMR: gel immersion endoscopic mucosal resection; UEMR: underwater endoscopic mucosal resection.].