Efficacy-cost analysis of endoscopic mucosal resection and cold snare polypectomy: A propensity score matching analysis

Table 3 Single factor analysis of recurrence after endoscopic intestinal polypectomy, n (%)

Items	Recurrence group (n = 38)	Non-recurrence group (n = 62)	χ2/t	P value
Age			4.461	0.035
≥ 60 years	26 (68.42)	29 (46.77)
< 60 years	12 (31.58)	33 (53.23)
Sex			4.938	0.026
Male	27 (71.05)	30 (48.39)
Female	11 (28.95)	32 (51.61)
BMI (kg/m2)	21.96 ± 2.03	22.57 ± 2.26	-1.360	0.177
Smoking			0.261	0.609
Yes	17 (44.74)	31 (50.00)
No	21 (55.26)	31 (50.00)
Diabetes mellitus			0.395	0.530
Yes	19 (50.00)	27 (43.55)
No	19 (50.00)	35 (56.45)
Combined hypertension			2.226	0.136
Yes	15 (39.47)	34 (54.84)
No	23 (60.53)	28 (45.16)
Polyp diameter			5.548	0.019
≥ 10 mm	22 (57.89)	21 (33.87)
< 10 mm	16 (42.11)	41 (66.13)
Number of polyps			10.240	0.001
≥ 3	26 (68.42)	22 (35.48)
< 3	12 (31.58)	40 (64.52)
Polyp location			3.438	0.064
Colon	20 (52.63)	44 (70.97)
Rectum	18 (47.37)	18 (29.03)
Pathological type
Inflammatory hyperplasia	13 (34.21)	44 (70.97)	12.987	< 0.001
Adenomatous	25 (65.79)	18 (29.03)
Surgical approach			3.491	0.062
EMR	22 (57.89)	24 (38.71)
CSP	16 (42.11)	38 (61.29)

EMR: Endoscopic mucosal resection; CSP: Cold snare polypectomy; BMI: Body mass index.