Table 1.

Comparison of the AxSYM CMV IgM assay to the Behring and Vidas CMV IgM assays and a CMV IgG avidity assaya

CMV IgM assay resultNo. of specimensNo. of specimens with following CMV IgG avidity index:
AxSYMBehringVidasLowModerateHighND
+82051
+10010
+102071
+20020
  • a ND, CMV IgG titer not sufficient to determine CMV IgG avidity index by the Radim CMV IgG avidity assay. +, positive for CMV IgM antibody; −, negative for CMV IgM antibody.