Prognostic Significance of Preoperative Serum Carcinoembryonic Antigen Varies with Lymph Node Metastasis Status in Colorectal Cancer

Table 4

Multivariant analysis for CRC patients according to lymph node status.

	N+		95% CI used for Exp (B)		N0		95% CI used for Exp (B)
	value	OR	Lower	Upper	value	OR	Lower	Upper
Gender	0.161	0.735	0.478	1.130	0.614	1.200	0.591	2.438
Age	0.991	1.030	0.913	1.048	0.701	1.055	0.923	1.089
T4 category	0.000	2.101	1.736	3.321	0.453	0.559	0.122	2.558
pCEA level	0.000	1.991	1.471	2.742	0.326	1.005	0.995	1.015

CEA: carcinoembryonic antigen; OR: odds ratio; 95% CI: 95% confidence interval; the difference is statistically significant.