Real-world local recurrence rate after cold polypectomy in colorectal polyps less than 10 mm using propensity score matching

Table 4 Treatment outcomes and complications

	CP, n (%)	HP, n (%)	P value
	n = 215	n = 215
Macroscopic en bloc resection	213 (99.1)	211 (98.1)	0.343a
Tissue retrieval successfully	210 (97.7)	212 (98.6)	0.362a
Snare polypectomy	208/213 (97.7)	210/213 (98.6)
Biopsy forceps polypectomy	2/2 (100)	2/2 (100)
Lesions diagnosed with low-grade adenoma or advanced lesion and evaluated for histological margin	n = 183	n = 181
Histological complete resection	151 (82.5)	152 (84.0)	0.708b
Complications (%)
Acute bleeding1	6 (2.8)	3 (1.4)	0.252a
Delayed bleeding2	0 (0)	0 (0)	-
Perforation	0 (0)	0 (0)	-

¹Indicates bleeding continued for 30 seconds immediately after polypectomy.

²Indicates bleeding requiring endoscopic hemostasis within two weeks after polypectomy.

^aFisher’s Exact test.

^bChi-Square test.

CP: cold polypectomy; HP: hot polypectomy.