Table 3.

Multivariate analysis for factors influencing postoperative anastomotic leakage

Factor	B	SE	Wald	P value	OR	95%CI
						Lower	Upper
Sex	1.204	0.407	8.754	0.003	3.335	1.502	7.407
Surgery time	0.901	0.428	4.438	0.035	2.462	1.065	5.691
Bleeding amount	0.899	0.408	4.856	0.028	1.407	1.183	1.905
Pelvic radiation injury	1.307	0.395	10.956	0.001	3.694	1.704	8.008
Intraoperative blood transfusion	0.899	0.408	4.856	0.028	2.457	1.105	5.467

OR: Odds ratio.