Establishment and application of three predictive models of anastomotic leakage after rectal cancer sphincter-preserving surgery

Table 3 Analysis of influencing factors of anastomotic leakage

Factor	β	SE	Wald χ²	P value	OR (95%CI)
Sex	1.271	0.429	8.778	0.003	3.656 (1.538-8.264)
Diabetes mellitus	1.735	0.427	16.504	< 0.001	5.669 (2.455-13.092)
Smoking history	1.758	0.967	3.309	0.069	5.801 (0.873-38.572)
Neoadjuvant treatment	-0.947	0.940	1.015	0.314	0.388 (0.062-2.448)
Albumin level	-0.108	0.030	12.627	< 0.001	0.898 (0.846-0.953)
Tumor size	0.957	0.177	29.204	< 0.001	2.604 (1.840-3.684)
Tumor location	-1.300	0.212	37.699	< 0.001	0.272 (0.180-0.413)

CI: Confidence interval; OR: Odds ratio.