Radiomics for differentiating tumor deposits from lymph node metastasis in rectal cancer

Table 2 Univariate and multivariate logistic regression analysis

Variables	Univariate		Multivariate
	OR	P value	OR	P value
Age	0.995	0.693	-	-
Gender	0.820	0.534	-	-
Location	0.819	0.282	-	-
CEA	1.546	0.171	-	-
CA19-9	1.613	0.217	-	-
CA125	1.503	0.384	-	-
Peritumoral nodule
Shape	14.918	0.011	0.915	0.948
Spiculated (+/-)	8.400	0.051	-	-
Size (mm2)	1.009	0.001	0.999	0.314
CT value (HU)	0.994	0.364	-	-
Rad-score 1	2.946	< 0.001	3.267	< 0.001
Rad-score 2	11.979	< 0.001	14.396	< 0.001

Rad-score 1: Rad-score of the main tumor; Rad-score 2: Rad-score of the largest peritumoral nodule; CEA: Carcinoembryonic antigen; CA19-9: Carbohydrate antigen 19-9; CA125: Carbohydrate antigen 125; CT: Computed tomography; OR: Odds ratio.