Prognostic factors and therapeutic effects of different treatment modalities for colorectal cancer liver metastases

Table 3 Multifactor analysis

Variable	B	SE	Wald	df	Sig.	Exp(B)
Step 1
Differentiation			4.174	2	0.124
Differentiation (1)	-0.865	0.590	2.148	1	0.143	0.421
Differentiation (2)	-0.763	0.406	3.528	1	0.060	0.466
CEA classification	0.076	0.434	0.030	1	0.861	1.079
Number of metastases	-0.758	0.416	3.323	1	0.068	0.468
Size of metastases	1.516	0.396	14.616	1	0.000	4.552
Proximity to great vessles	-0.794	0.417	3.616	1	0.057	0.452
Liver treatment	-0.094	0.174	0.288	1	0.591	0.911
Step 2
Differentiation			4.173	2	0.124
Differentiation (1)	-0.860	0.589	2.133	1	0.144	0.423
Differentiation (2)	-0.749	0.398	3.532	1	0.060	0.473
Number of metastases	-0.754	0.414	3.312	1	0.069	0.471
Size of metastases	1.526	0.392	15.190	1	0.000	4.599
Proximity to great vessles	-0.797	0.417	3.656	1	0.056	0.451
Liver treatment	-0.097	0.174	0.308	1	0.579	0.908
Step 3
Differentiation			4.373	2	0.112
Differentiation (1)	-0.839	0.585	2.057	1	0.151	0.432
Differentiation (2)	-0.776	0.396	3.834	1	0.050	0.460
Number of metastases	-0.795	0.409	3.778	1	0.052	0.451
Size of metastases	1.583	0.379	17.438	1	0.000	4.870
Proximity to great vessles	-0.793	0.416	3.639	1	0.056	0.452
Step 4
Number of metastases	-0.910	0.405	5.065	1	0.024	0.402
Size of metastases	1.490	0.366	16.596	1	0.000	4.438
Proximity to great vessles	-1.001	0.396	6.384	1	0.012	0.367
Differentiation	1.384	0.392	7.238	1	0.008	0.507