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

Table 1

Clinical characteristics of enrolled patients on warfarin therapy.

Variables	Total ()	Heparin replacement ()	Continued warfarin ()	value
Age, , years old				0.03
Sex, male	91 (72.2)	53 (67.1)	38 (80.9)	0.10
Comorbidities
Yes	112 (88.9)	69 (87.3)	43 (91.5)	0.57
Atrial fibrillation	49 (38.9)	35 (44.3)	14 (29.8)	0.13
Ischemic heart disease	24 (19.0)	14 (17.7)	10 (21.3)	0.64
Congestive heart failure	9 (7.1)	9 (11.4)	0 (0)	0.03
Cerebral infarction	20 (15.9)	13 (16.5)	7 (14.9)	1
Hypertension	52 (41.3)	31 (39.2)	21 (44.7)	0.58
Diabetes mellitus	39 (31.0)	24 (30.4)	15 (31.9)	1
Chronic kidney disease	63 (50.0)	34 (43.0)	29 (61.7)	0.06
Chronic liver disease	15 (11.9)	10 (12.7)	5 (10.6)	1
Blood disorder	2 (1.6)	2 (2.5)	0 (0)	0.53
Use of other antithrombotic agents
Yes	36 (28.6)	25 (31.6)	11 (23.4)	0.42
Aspirin	20 (15.9)	13 (16.5)	7 (14.9)	1
Clopidogrel	7 (5.6)	5 (6.3)	2 (4.3)	1
Others	13 (10.3)	9 (11.4)	4 (8.5)	0.77

SD: standard deviation.