Table 1. Experiment groups of the complement-mediated killing assay.

Group	Antibody (µl)	Complement: CDNC (µl)	PBS (µl)
1 Anti-rOmpH + CDNC	50	50	-
2 Anti-rOmpH	50	-	50
3 HS positive serum + CDNC	50	50	-
4 HS positive serum	50	-	50
5 Negative serum + CDNC	50	50	-
6 Negative serum	50	-	50
7 CDNC	-	50	50