Table 2.

Factors associated with anastomotic leakage after anterior resection for rectal cancer by multivariate analysis

	Adjusted OR (95% CI)	P value
Gender (male)	2.286 (1.484~3.520)	< 0.0001
Distance of tumor to anal verge	0.791 (0.75~0.864)	< 0.0001
Tumor size	1.175 (1.048~1.318)	0.006
Duration of operation	1.009 (1.005~1.013)	< 0.001
Diabetes mellitus	1.704 (1.023~2.837)	0.041
Surgical approach	0.445 (0.255~0.773)	0.004
Anastomotic bleeding	13.46 (5.640~31.63)	< 0.001
Diverting stoma	0.386 (0.234~0.636)	< 0.001