Risk factors for anastomotic leakage after radical colorectal cancer surgery and its impact on prognosis: Clinical education research

Table 3 Multivariate logistic regression analysis of independent risk factors for anastomotic leakage

Variable	β	SE	Wald χ²	OR	95%CI	P value
BMI ≥ 25 kg/m²	0.856	0.346	6.124	2.354	1.196-4.632	0.013
Diabetes mellitus	0.978	0.382	6.556	2.660	1.258-5.624	0.010
Tumor location (rectum)	0.892	0.362	6.084	2.440	1.198-4.970	0.014
Neoadjuvant therapy	0.782	0.378	4.282	2.186	1.042-4.584	0.039
Preop albumin < 35 g/L	0.986	0.378	6.804	2.680	1.278-5.620	0.009
Operation time ≥ 180 minutes	0.848	0.364	5.424	2.334	1.142-4.770	0.020
Intraop blood loss ≥ 200 mL	0.762	0.376	4.108	2.142	1.024-4.482	0.043
Protective stoma	-0.908	0.428	4.498	0.403	0.174-0.932	0.034

BMI: Body mass index; OR: Odds ratio.