Risk of Bleeding after Colorectal Endoscopic Resection in Patients with Continued Warfarin Use Compared to Heparin Replacement: A Propensity Score Matching Analysis

Table 4

Characteristics of cases with bleeding after procedure.

No. of cases	Age (years)	Sex	Comorbidities	Use of other antiplatelets	Type of procedure	Tumor location	Tumor size (mm)	Tumor growth type	Pathological diagnosis	Bleeding date after procedure (day)	Bleeding frequency
Heparin replacement group
1	65	Male	Atrial fibrillation, spinal infarction	Aspirin	EMR	A	5	Protruded	Adenoma	2	4
2	63	Male	Atrial fibrillation, chronic hepatitis B	Aspirin	EMR	S	6	Protruded	Adenoma	1	1
3	79	Male	Atrial fibrillation	None	EMR	A	8	Superficial	Adenoma	1	1
4	68	Male	Atrial fibrillation	None	EMR	S	8	Protruded	Adenoma	2	2
5	48	Male	Cardiac hypertrophy, cirrhosis B	None	EMR	S	6	Protruded	Adenoma	2	1
6	73	Male	Myocardial infarction, ventricular aneurysm	Aspirin, prasugrel	ESD	R	100	Protruded	T1 carcinoma	1, 8, 11, 12, 16, 17, 19, 21, 23	9
7	81	Male	Atrial fibrillation, myocardial infarction, cerebral infarction, chronic kidney disease (hemodialysis)	None	ESD	A	100	Protruded	Tis carcinoma	8	1
8	70	Female	Atrial fibrillation, cerebral infarction, chronic kidney disease	Ticlopidine	ESD	T	40	Protruded	Adenoma	2	2
Continued warfarin group
1	64	Male	Deep vein thrombosis	None	EMR	R	6	Protruded	Adenoma	2	1

A: ascending colon; EMR: endoscopic mucosal resection; ESD: endoscopic submucosal dissection; R: rectum; S: sigmoid colon; T: transverse colon.