TABLE 6.

Optimal combinations of various antigens from different strains in IgG WB^a

Homologs of all three strains (PKa2, PKo, PBi)b						Proteins of one strain only						Specificity (%)	Sensitivity (%)
p83/100	p58	p39	p30	p21	OspC	OspC (PBi)	p17b (PBi)	p56 (PKa2)	p43 (PKo)	p17 (PKo)	p14 (PKo)
+	+	+		+						+	+	100.0	51.3
+	+	+	+	+	+			+		+	+	97.9	57.7
+	+	+	+		+				+		+	97.2	58.2
+	+	+	+	+	+		+	+	+	+	+	96.5	61.4
+	+	+	+	+		+		+		+	+	99.3	57.7
+	+	+	+			+			+		+	98.6	58.2
+	+	+	+	+		+	+	+	+	+	+	97.2	61.4

^aAt least two reactive bands were required for a positive WB. The recommended combination is boxed. 

^bAt least one of the homologs of the three strains was reactive.