Table 1 Baseline characteristics of patients, polyps, and procedures in groups A and B

Patient-related factors

Group A

(n = 53)

Group B

(n = 63)

P-value

Age, median, years (range)

57 (31–75)

59 (33–78)

0.939

Male sex, no. (%)

40 (75.5)

50 (79.4)

0.659

HTN, no. (%)

15 (28.3)

27 (42.9)

0.123

DM, no. (%)

4 (7.5)

7 (11.1)

0.752

Cardiovascular disease, no. (%)

1 (1.9)

4 (6.3)

0.374

Use of antiplatelet, no. (%)

7 (13.2)

13 (20.6)

0.332

BMI, median, kg/m² (range)

23.6 (14.1–34.0)

24.2 (16.5–31.3)

0.455

 Hematocrit, mean, % (SD)

41.8 (4.6)

41.6 (4.5)

0.812

 Platelet count, mean, × 10³/μL (SD)

251 (64)

243 (66)

0.519

 Prothrombin time, mean, INR (SD)

0.98 (0.08)

0.98 (0.06)

0.962

 PTT, mean, s (SD)

28.7 (2.5)

27.8 (2.2)

0.053

Polyp-related factors

Group A

(n = 67)

Group B

(n = 70)

P-value

Polyp size, median, mm (range)

15 (10–30)

15 (10–40)

0.173

Stalk diameter, median, mm (range)

3 (1–5)

3 (1–10)

0.362

Location of polyp

0.366

 Right colon, no. (%)

28 (41.8)

24 (34.3)

 Left colon, no. (%)

39 (58.2)

46 (65.7)

Histology

0.344

 Adenoma, low grade, no. (%)

46 (68.7)

50 (71.4)

 Adenoma, high grade, no. (%)

8 (11.9)

9 (12.9)

 Adenocarcinoma, no. (%)

3 (4.5)

4 (5.7)

 Traditional serrated adenoma, no. (%)

3 (4.5)

4 (5.7)

 Hamartomatous polyp, no. (%)

3 (4.5)

1 (1.4)

 Inflammatory polyp, no. (%)

2 (3.0)

1 (1.4)

 Filiform serrated adenoma, no. (%)

1 (1.5)

1 (1.4)

 Hyperplastic polyp, no. (%)

1 (1.5)

0 (0.0)

Procedure-related factors

Group A

(n = 53)

Group B

(n = 63)

P-value

Bowel preparation

0.329

 Excellent, no. (%)

15 (28.3)

25 (39.7)

 Good, no. (%)

32 (60.4)

31 (49.2)

 Adequate, no. (%)

6 (11.3)

7 (11.1)