Risk modeling of delayed postoperative bleeding after endoscopic submucosal dissection for early colorectal cancer and precancerous lesions

Table 3 Multivariate analysis of risk factors for delayed postoperative bleeding in patients with early colorectal cancer and precancerous lesions

Factors	β	SE	Wald	P value	Exp (β)	95%CI
Number of lesions	0.904	0.414	4.756	0.029	2.469	1.096-5.563
Lesion size (cm)	0.856	0.417	4.210	0.040	2.353	1.039-5.328
Lesion location	1.145	0.437	6.861	0.009	3.144	1.334-7.407
Degree of submucosal fibrosis	1.490	0.628	5.639	0.018	4.439	1.297-15.188
Intraoperative bleeding	0.651	0.417	2.438	0.118	1.917	0.847-4.338

CI: Confidence interval.