Longitudinal evolution of low anterior resection syndrome in ultra-low rectal cancer: A trend analysis of a propensity-matched cohort

Table 7 Multivariable logistic regression analysis of risk factors for low anterior resection syndrome at 9 months postoperatively

	β	SE	Wald χ2	df	P value	Exp(B)	95%CI for Exp(B)
							Lower	Upper
Tumor location (> 3 cm)	0.859	0.386	4.958	1	0.026	2.362	1.108	5.032
Gender (female)	-0.027	0.337	0.006	1	0.937	0.974	0.503	1.883
Age (< 61.28 years)	0.083	0.348	0.057	1	0.811	1.087	0.55	2.148
Blood type (A)			2.662	3	0.447
AB	-0.629	0.443	2.018	1	0.155	0.533	0.224	1.27
B	0.155	0.614	0.064	1	0.8	1.168	0.351	3.89
O	-0.345	0.374	0.856	1	0.355	0.708	0.34	1.472
BMI (< 23.42 kg/m2)	-0.096	0.331	0.083	1	0.773	0.909	0.475	1.74
Diabetes (no)	0.566	0.405	1.959	1	0.162	1.762	0.797	3.893
Hypertension (no)	-0.383	0.361	1.122	1	0.289	0.682	0.336	1.384
Tumor pathology (adenocarcinoma)			0.003	3	1
Neuroendocrine carcinoma	-20.742	40192.97	0	1	1	0	0
Signet ring cell carcinoma	-19.65	27972.494	0	1	0.999	0	0
Mucinous adenocarcinoma	0.038	0.665	0.003	1	0.955	1.038	0.282	3.821
TNM (0)			1.483	4	0.83
I	-0.064	0.512	0.015	1	0.901	0.938	0.344	2.561
II	-0.486	0.555	0.766	1	0.382	0.615	0.207	1.827
III	-0.427	0.621	0.474	1	0.491	0.652	0.193	2.202
IV	-0.428	0.699	0.375	1	0.54	0.652	0.166	2.563
Postoperative complications (no)	0.107	0.75	0.02	1	0.886	1.113	0.256	4.845
Neoadjuvant chemotherapy (no)	-0.303	0.479	0.401	1	0.526	0.738	0.289	1.887
Neoadjuvant radiotherapy (no)	0.407	0.466	0.763	1	0.382	1.503	0.603	3.747
Constant	-0.911	0.886	1.056	1	0.304	0.402

Age and body mass index were converted into binary variables using the mean as the cutoff. Reference categories are shown in parentheses. BMI: Body mass index.