Table 4.

Summary of pruned single-decision tree.

single tree no. inputs	inputs	normal		OA		RA
		sensitivity (%)	specificity (%)	sensitivity (%)	specificity (%)	sensitivity (%)	specificity (%)
12	CD40L, TGFalpha, EGF, INFgamma, eotaxin, MIP-1beta, TNFalpha, IL-1alpha, G-CSF, fractalkine, GRO, VEGF	93	93	93	93	93	93
6	CD40L, TGFalpha, EGF, INFgamma, eotaxin, MIP-1beta	93	82	93	93	80	92
4	CD40L, TGFalpha, EGF, INFgamma	100	75	80	100	87	100
2	CD40L, TGFalpha	73	55	53	67	80	92