Table 2.

Performance of the Three Models and Attributes Used for Each Model

	Model 1	Model 2	Model 3
Classification algorithm	NB	NN	SVM
Performance training	0.895	0.995	0.924
Performance cross validation	0.897	0.869	0.916
Average of the two performances	0.896	0.932	0.920
Types of attributes used	Albumin, ALP, ECOG status 0-1, platelets <140×109 L, number of metastatic sites	Albumin, ALT, absolute neutrophil count, ECOG status 0-1, number of metastatic sites	Albumin, ECOG status 0-1, liver metastatic site, lung metastatic site, platelets >440×109 L, RBC, WBC

ALP, alkaline phosphatase; ALT, alanine aminotransferase; ECOG, Eastern Cooperative Oncology Group; RBC, red blood cell count; WBC, white blood cell count.