Predictive value of magnetic resonance imaging parameters combined with tumor markers for rectal cancer recurrence risk after surgery

Table 3 Multivariate logistic regression analysis

Variables	β	SE	Z	P value	OR (95%CI)	VIF
EMVI	-	-	-	-	-	-
Negative	-	-	-	-	1.00 (Reference)	-
Positive	1.46	0.72	2.01	0.045	4.29 (1.04-17.76)	2.31
CEA	0.07	0.04	2.04	0.041	1.08 (1.01-1.15)	1.60
CA125	0.18	0.08	2.13	0.034	1.19 (1.01-1.40)	1.32
CA199	0.24	0.06	3.95	< 0.001	1.27 (1.13-1.44)	1.49

SE: Standard error; OR: Odds ratio; CI: Confidence interval; VIF: Variance inflation factor; EMVI: Extramural vascular invasion; CEA: Carcinoembryonic antigen; CA: Carbohydrate antigen.