[Retracted] The Number of Intraoperative Intestinal Venous Circulating Tumor Cells Is a Prognostic Factor for Colorectal Cancer Patients

Table 7

Multivariate analysis of DFS in patients with CRC.

Variable	β	SE	Wald χ2	Exp (B)	95% CI	P-value
Gender	0.417	0.710	0.346	1.518	[0.378, 6.098]	0.556
Age/years	0.290	0.553	0.274	1.336	[0.452, 3.946]	0.600
Tumor location	0.629	0.773	0.662	1.876	[0.412, 8.539]	0.416
Histologic differentiated	−2.949	1.665	3.136	0.052	[0.002, 1.370]	0.077
Diameter/cm	−0.446	0.544	0.735	0.627	[0.216, 1.821]	0.391
Invasion depth	−0.302	0.835	0.131	0.739	[0.144, 3.798]	0.718
Lymph node metastasis	−0.631	0.763	0.683	0.532	[0.119, 2.376]	0.409
TNM staging	1.403	0.952	2.172	4.068	[0.629, 26.299]	0.141
AFP/(ng/ml)	0.494	0.581	0.723	1.638	[0.525, 5.112]	0.395
CEA/(ng/ml)	0.464	0.749	0.384	1.590	[0.367, 6.901]	0.536
CA19-9/(U/ml)	0.618	0.687	0.810	1.855	[0.483, 7.128]	0.368
CA72-4/(U/ml)	0.487	0.675	0.520	1.628	[0.433, 6.116]	0.471
CA-125 (U/ml)	0.022	0.699	0.001	1.022	[0260, 4.020]	0.975
CTCs (n/3.2 ml)	1.970	0.974	4.086	7.168	[1.062, 48.391]	0.043
KRAS	1.793	0.814	4.846	6.005	[1.217, 29.623]	0.028

CTCs, circulating tumor cells; AFP, alpha-fetoprotein; CEA, carcinoembryonic antigen; CA19-9, glycoprotein antigen 199; CA-125, glycoprotein antigen 125; CA72-4, glycoprotein antigen 72-4; KRAS, Kirsten rat sarcoma virus oncogene.