Evaluation of efficacy and safety of different endoscopic polypectomy techniques for colonic polyps

Table 1 Demographic characteristics of the study population, mean ± SD/n (%)

Parameters	HFE (n = 107)	CSP (n = 106)	EMR (n = 108)	P1 value	P2 value	P3 value
Age (years)	57.90 ± 13.20	56.80 ± 11.61	57.29 ± 12.35	1.551	2.289	2.172
Gender				2.847	2.658	2.505
Male	57 (53.27)	56 (53.27)	56 (51.85)
Female	50 (46.73)	50 (46.73)	52 (48.15)
Smoking	22 (20.56)	22 (20.56)	22 (20.37)	2.916	2.835	2.916
Drinking	35 (79.44)	38 (32.71)	38 (35.18)	1.887	2.757	2.106
Course of disease, months	14.24 ± 2.45	14.31 ± 2.25	14.08 ± 2.92	2.517	1.557	1.989
Hypertension	20 (18.69)	21 (19.81)	22 (20.37)	2.508	2.757	2.268
Diabetes	11 (10.28)	10 (9.43)	13 (12.03)	2.508	1.617	2.049
Hyperlipidemia	20 (18.69)	22 (20.75)	23 (21.29)	2.115	2.769	1.899
Coronary heart disease	8 (7.48)	6 (5.89)	8 (7.15)	1.779	1.815	2.955
Indication				2.796	2.832	2.904
Screening	33 (30.84)	36 (33.96)	35 (32.63)
Follow up	19 (17.76)	16 (15.09)	21 (19.44)
For polypectomy	22 (20.56)	22 (20.75)	22 (19.45)
Positive FOBT	6 (5.61)	8 (7.55)	7 (6.48)
Symptoms	27 (25.23)	24 (22.64)	23 (21.29)
Bowel preparation				2.235	2.199	3.000
BBPS < 6	5 (4.67)	6 (5.66)	5 (4.62)
BBPS ≥ 6	102 (95.33)	100 (94.34)	103 (95.38)

¹High-frequency electroresection vs cold snare polypectomy.

²Cold snare polypectomy vs endoscopic mucosal resection.

³High-frequency electroresection vs endoscopic mucosal resection.

HFE: High-frequency electroresection; CSP: Cold snare polypectomy; EMR: Endoscopic mucosal resection; FOBT: Fecal occult blood test; BBPS: Boston Bowel Preparation Scale.