Postoperative bleeding in patients on antithrombotic therapy after gastric endoscopic submucosal dissection

Table 4 Univariate analysis of risk factors for delayed bleeding by each antithrombotic agent n (%)

	Delayed bleeding		P value1	OR	95%CI
	(+)	(-)
Aspirin
(+) (n = 211)	12 (5.7)	199 (94.3)	0.224	1.472	0.787-2.753
(-) (n = 1931)	76 (3.9)	1855 (96.1)
Thienopyridine
(+) (n = 19)	0 (0)	19 (100)	0.379	0.990	0.985-0.994
(-) (n = 1931)	76 (3.9)	1855 (96.1)
Warfarin
(+) (n = 17)	1 (5.9)	16 (94.1)	0.498	1.525	0.200-11.653
(-) (n = 1931)	76 (3.9)	1855 (96.1)
DOAC
(+) (n = 18)	1 (5.6)	17 (94.4)	0.725	1.436	0.189-10.930
(-) (n = 1931)	76 (3.9)	1855 (96.1)
Others
(+) (n = 70)	3 (4.3)	67 (95.7)	0.883	1.093	0.336-3.554
(-) (n = 1931)	76 (3.9)	1855 (96.1)
HBT
(+) (n = 39)	6 (15.4)	33 (84.6)	< 0.01	4.438	1.805-10.911
(-) (n = 1931)	76 (3.9)	1855 (96.1)
DAPT/multidrug combination
(+) (n = 75)	23 (30.7)	52 (69.3)	< 0.01	10.796	6.280-18.558
(-) (n = 1931)	76 (3.9)	1855 (96.1)

¹χ² test. DOAC: Direct oral anticoagulants; HBT: Heparin bridging therapy; DAPT: Dual antiplatelet therapy.