Table 2 Characteristics of the polyps and polypectomy procedure.

From: Risk of postpolypectomy bleeding in patients taking direct oral anticoagulants or clopidogrel

Variables

DOAC group (n = 320)

Clopidogrel group (n = 669)

p-value

No. of polyps per patient, mean ± SD

2.46 ± 2.25

2.47 ± 2.55

0.974

Polyp size, mm, mean ± SD

7.53 ± 4.00

7.71 ± 4.55

0.548

Location, n (%)

0.823

 Right colon

198 (61.9)

409 (61.1)

 

 Left colon

122 (38.1)

260 (38.9)

 

Polypectomy technique, n (%)

0.590

 Cold snare polypectomy

86 (26.9)

193 (28.9)

 

 EMR

228 (71.3)

468 (70.0)

 

 ESD

6 (1.88)

8 (1.2)

 

Histopathology, n (%)

0.831

 Adenoma (LGD)

231 (72.2)

495 (74.0)

 

 Adenoma (HGD)

3 (0.9)

10 (1.5)

 

 Hyperplastic polyp

20 (6.3)

37 (5.5)

 

 Adenocarcinoma

10 (3.1)

13 (1.9)

 

 SSA/P

18 (5.6)

37 (5.5)

 

 Others

38 (11.9)

77 (11.5)

 

Prophylactic clipping, n (%)

96 (30.0)

149 (22.3)

0.008

Immediate PPB, n (%)

17 (5.3)

44 (6.6)

0.439

Delayed PPB, n (%)

5 (1.6)

11 (1.6)

0.924

  1. DOAC Direct oral anticoagulant, EMR endoscopic mucosal resection, ESD endoscopic submucosal dissection, HGD high-grade dysplasia, LGD low-grade dysplasia, PPB postpolypectomy bleeding, SD standard deviation.