Correlation between baseline magnetic resonance imaging features and serum carcinoembryonic antigen levels in patients with primary rectal cancer

Table 3 Multivariate logistic regression analysis of factors associated with serum carcinoembryonic antigen levels

Independent variable	B	SE	Wald	Odds ratio	95%CI	P value
Tumor size	0.942	0.256	13.578	2.563	1.562-4.208	< 0.01
T-stage	0.629	0.201	9.745	1.875	1.236-2.847	< 0.01
Circumferential resection margin status	0.212	0.198	1.146	1.234	0.856-1.782	> 0.05
Extramural vascular invasion	0.145	0.205	0.503	1.156	0.789-1.697	> 0.05
Lymph node metastasis	0.521	0.239	4.736	1.684	1.057-2.685	< 0.05

B: Regression coefficient.