Effect of cold snare polypectomy for small colorectal polyps

Table 1 Baseline characteristics of the patients in each group

	CSP (n = 140)	HSP (n = 109)	P value
Gender, n (%)			0.755
Male (132)	73 (52.1)	59 (54.1)
Female (117)	67 (47.9)	50 (45.9)
Age (yr)			0.268
18-81 (56.1 ± 12.1)	20-81 (55.4 ± 12.1)	18-81 (57.1 ± 12.1)

CSP: Cold snare polypectomy; HSP: Hot snare polypectomy.

Table 2 Characteristics of the polyps

	CSP (n = 154)	HSP (n = 147)	P value
Size (mm)	5.8 ± 1.4	5.8 ± 1.3	0.861
4-5, n (%)	68 (44.2)	59 (40.1)	0.480
6-9, n (%)	86 (55.8)	88 (59.9)
Location, n (%)			0.446
Right side of colon	47 (30.5)	44 (29.9)
Transverse colon	35 (22.7)	27 (18.4)
Left side of colon	48 (31.2)	43 (29.3)
Rectum	24 (15.6)	33 (22.4)
Histology, n (%)			0.994
Tubular adenoma	120 (79.5)	115 (79.3)
Villous, n (%)
Tubular adenoma	19 (12.6)	18 (12.4)
Serrated adenoma	12 (7.9)	12 (8.3)
Paris type, n (%)			0.529
IS	109 (72.2)	103 (71.0)
ISP	15 (9.9)	20 (13.8)
IIa	27 (17.9)	22 (15.2)

CSP: Cold snare polypectomy; HSP: Hot snare polypectomy.

Table 3 Outcomes in each group

	CSP (n = 154)	HSP (n = 147)	P value
Tissue recovery	151/154 (98.1%)	145/147 (98.6%)	0.690
Operation time (min)	3.2 ± 0.5	5.6 ± 0.8	< 0.001
Usage of titanium clips	24 (15.6%)	141 (95.9%)	< 0.001
Complete resection	141/154 (93.4%)	137/147 (94.5%)	0.691

CSP: Cold snare polypectomy; HSP: Hot snare polypectomy.

Table 4 Complications in each group

	CSP (n = 154)	HSP (n = 147)	P value
Immediate bleeding	18/154 (11.7%)	2/147 (1.4%)	< 0.001
Delayed bleeding	-	3/147 (2.0%)	0.075
Intraoperative perforation	-	-	-
Delayed perforation	-	1/147 (0.7%)	0.305

CSP: Cold snare polypectomy; HSP: Hot snare polypectomy.