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

Table 6

Univariate analysis of DFS and OS in patients with CRC.

Variations	Univariate analysis (DFS)			Univariate analysis (OS)
	95% CI	χ2	P-value	95% CI	χ2	P-value
Gender	[17.123, 22.077]	0.260	0.610	[17.123, 22.077]	1.227	0.268
Age/years	[18.274, 20.926]	0.002	0.883	[0.000, 50.190]	0.203	0.652
Tumor location	[19.216, 19.984]	1.149	0.563	[15.206, 31.994]	0.954	0.621
Histologic differentiated	[17.458, 21.742]	11.470	0.003	—	0.149	0.928
Diameter/cm	[18.117, 21.023]	0.017	0.897	[12.513, 19.123]	1.118	0.290
Invasion depth	[18.266, 20.934]	0.783	0.376	[13.284, 19.682]	8.475	0.004
Lymph node metastasis	[17.707, 21.493]	12.617	0.000	[14.552, 22.025]	1.707	0.191
TNM staging	[18.660, 20.540]	27.365	0.000	[14.846, 20.391]	12.555	0.002
AFP/(ng/ml)	[18.154, 21.046]	2.789	0.095	[14.243, 21.465]	0.031	0.861
CEA/(ng/ml)	[18.052, 21.148]	1.640	0.200	[13.235, 20.134]	0.720	0.396
CA19-9/(U/ml)	[18.219, 20.981]	0.028	0.867	[13.894, 20.490]	0.849	0.357
CA72-4/(U/ml)	[18.451, 20.749]	0.012	0.914	[14.354, 20.712]	1.066	0.302
CA-125 (U/ml)	[19.237, 19.963]	6.316	0.012	[15.573, 22.109]	3.289	0.070
CTCs	[18.450, 20.750]	5.069	0.024	[19.520, 31.690]	6.992	0.008
KRAS	[17.987, 20.413]	26.139	0.000	[16.672, 23.114]	3.909	0.048

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.