Table 3.

Logistic regression analysis of anastomotic leakage after rectal cancer surgery

Variables	Β	Wald χ2	P	OR	95% CI
Age ≥60 years	0.851	5.072	0.024	2.342	1.114~4.920
Male	1.047	4.135	0.042	2.849	1.248~6.504
Distance from the tumor to the anus ≤7 cm	0.851	4.516	0.034	2.343	1.056~5.198
TNM stage ≥IIIa	0.934	6.685	0.010	2.545	1.195~5.422
Preoperative intestinal obstruction	0.983	9.973	0.002	2.672	1.160~6.155
Diabetes	1.002	2.367	0.112	2.723	0.949~7.810
Prophylactic ileostomy	-2.017	9.445	0.002	0.133	0.018~0.989
Intercept	-4.275	45.019	<0.001