Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 21, 2015; 21(11): 3300-3307
Published online Mar 21, 2015. doi: 10.3748/wjg.v21.i11.3300
Table 2 Disease-free survival after surgical treatment with curative intent for colorectal liver metastasis by multivariate analysis by Cox regression proportional hazard model (n = 153)
FactorsUnivariate analysis of DFSMultivariate analysis of DFS
PHR95%CIP1
Radiofrequency ablation0.0331.571.02-2.410.040
Female sex0.890
Age0.270
CEA (ng/mL)0.1301.030.99-1.010.480
Size (cm)0.210
Multiple0.1401.010.65-1.570.970
Metachronous0.0890.750.45-1.240.260
Bilobal0.300
T220.1300.550.18-1.650.290
T320.0900.780.41-1.490.450
Lymph node metastasis0.0031.941.14-3.310.015
Adjuvant chemotherapy0.810
Poorly differentiated grade0.0331.791.01-3.180.049