Table 5. The probability of developing recurrent hepatic metastasis by analysis of a combination of independent predictive characteristics.

Characteristics			Probability of recurrent hepatic metastasis
Nodal metastasis	Multiplicity of hepatic metastasis	OPG expression
Present	Multiple	Reduced	0.94
Absent	Multiple	Reduced	0.83
Present	Multiple	Preserved	0.81
Present	Single	Reduced	0.75
Absent	Multiple	Preserved	0.72
Absent	Single	Reduced	0.39
Present	Single	Preserved	0.25
Absent	Single	Preserved	0.11