Associate factors for endoscopic submucosal dissection operation time and postoperative delayed hemorrhage of early gastric cancer

Table 4 Logistic regression analysis of delayed hemorrhage after endoscopic submucosal dissection

Factors	β	Sx	Wald value	OR (95%CI)	P value
Hypertension
No				1
Yes	0.776	0.522	2.175	2.137 (0.912-2.643)	0.136
Taking anticoagulants
No
Yes	1.841	1.062	2.851	4.377 (0.657-37.912)	0.078
Maximum diameter of lesion
< 3.00 cm				1
≥ 3.00 cm	0.941	0.347	7.399	3.785 (1.165-4.277)	0.011
Lesion form
Uplift type				1
Flat type	0.701	1.031	0.452	2.011 (0.251-15.664)	0.072
Concave type	2.378	1.679	4.917	10.585 (2.133-35.381)	0.007
Mixed type	1.327	1.720	0.873	2.816 (0.463-19.832)	0.254
ESD operation time
< 60 min				1
≥ 60 min	1.446	1.271	3.541	2.958 (1.117-3.526)	0.011

ESD: Endoscopic submucosal dissection.