TABLE 5.

Study outcomes in the 20–30 mm LST group (n = 19).

Outcomes	CEMR (n = 7)	UEMR (n = 12)	p	Adjusted p ***
En bloc resection, n (%)			0.009*	p of < 0.01 is considered statistically significant
Yes	3 (42.9)	12 (100.0)
No	4 (57.1)	0 (0.0)
R0, n (%)			—
Yes	3 (100.0)	12 (100.0)
No	0 (0.0)	0 (0.0)
Procedure time, median (IQR), (s)	455 (205–900)	140 (65–610)	< 0.001**
Bleeding, n (%)			0.123*
Yes	2 (28.6)	0 (0.0)
No	5 (71.4)	12 (100.0)
Hemoclip, median (IQR)	6 (3–9)	5.5 (2–9)	0.536**

Abbreviations: CEMR, conventional endoscopic mucosal resection; UEMR, underwater endoscopic mucosal resection.

^*Fisher's exact test.

^**Mann–Whitney U test.

^***Bonferroni correction.