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

Table 3

Univariant 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	0.030	1.789	1.570	3.123	0.466	0.858	0.569	1.294
Age	0.201	1.034	0.818	1.052	0.289	1.055	0.814	1.088
T4 category	0.000	2.555	2.266	3.157	0.294	0.801	0.530	1.212
pCEA level	0.000	1.875	1.407	2.499	0.035	1.610	1.034	2.506

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