Research Article

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

Table 8

Multivariate analysis of OS in patients with CRC.

VariableβSeWald χ2Exp (B)95% CIP-value

Gender0.9950.6212.3692.599[0.770, 8.774]0.124
Age/years−1.1220.7762.0900.326[0.071, 1.491]0.148
Tumor location0.1291.0140.0161.137[0.156, 8.300]0.899
Histologic differentiated−1.0970.6852.5640.334[0.087, 1.279]0.109
Diameter/cm−0.5570.8450.4340.573[0.109, 3.004]0.510
Invasion depth−2.1131.2592.8180.121[0.010, 1.425]0.093
Lymph node metastasis0.2191.0170.0471.245[0.170, 9.135]0.829
TNM staging2.5531.1405.01512.847[1.375, 119.998]0.025
AFP/(ng/ml)−1.2330.8572.0690.292[0.054, 1.564]0.150
CEA/(ng/ml)1.5771.0622.2054.841[0.604, 38.818]0.138
CA19-9/(U/ml)1.3750.8942.3643.956[0.685, 22.837]0.124
CA72-4/(U/ml)−0.9841.0580.8650.374[0.047, 2.973]0.352
CA-125 (U/ml)−3.3651.3076.6300.035[0.003, 0.448]0.010
CTCs (n/3.2 ml)−3.8131.2399.4670.022[0.002, 0.251]0.001
KRAS2.2350.8806.4479.346[1.665, 52.459]0.011

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.