Table 5.

Multivariate logistic regression analysis.

Variables	P	OR	95% CI
Gender	0.095	2.742	0.841-8.943
Age	0.723	1.009	0.962-1.057
BMI	0.644	1.033	0.899-1.188
Diabetes	0.721	1.332	0.276-6.421
Synchronous primary malignancy of left hemicolon	0.011	12.225	1.764-84.702
Preoperative radiotherapy	0.753	1.415	0.163-12.282
Intraoperative chemotherapy	0.013	3.931	1.334-11.583
Perioperative transfusion	0.400	2.561	0.287-22.887
Level of anastomosis	0.030	3.224	1.124-9.249
Transanal tube	0.171	0.486	0.173-1.364
Number of stapler firing	0.852	0.895	0.279-2.868

BMI: body mass index; OR: odds ratio; CI: confidence interval.