Optimal Timing for Resuming Antithrombotic Agents and Risk Factors for Delayed Bleeding after Endoscopic Resection of Colorectal Tumors

Table 3

Univariate analysis of tumor-factors for delayed bleeding.

	Cases (%)	Controls (%)	Odds ratio	value
Morphology; (pedunculated)	36 (69)	95 (61)	1.4	0.28
Polyp size (20 mm)	16 (31)	40 (26)	1.3	0.47
Polyp location; (left side)	32 (62)	99 (63)	0.9	0.80
Resection technique; (EMR, ESD)	37 (71)	109 (70)	1.1	0.86

Left side: rectum-descending colon.
Right side: transverse colon-cecum.