Acute upper gastrointestinal bleeding in patients on long-term oral anticoagulation therapy: Endoscopic findings, clinical management and outcome

Table 2 Causes of AUGIB.

	Patients taking anticoagulants (n=111)		Patients not taking anticoagulants (n= 604)
	n	(%)	n	(%)
Peptic ulcer	51	45	359	59.4
Gastric/duodenal erosions	12	10.8	43	7.1
Varices			84	13.9
Benign and malignant tumors	8	7.2	17	2.8
Mallory-Weiss tears	1	0.9	30	5
Vascular lesions, Dieulafoy’s lesions	4	3.6	6	0.9
Other diagnoses	1	0.9	17	2.8
Uncooperative patient	2	0.9	17	2.8
No cause of bleeding
(No identifiable source)	33	29.7	31	5.1