Table 2.

Comparison of the AxSYM CMV IgM assay to the Captia CMV IgM assay and a CMV IgG avidity assaya

CMV IgM assay resultNo. of specimensNo. of specimens with following CMV IgG avidity index:
AxSYMCaptiaLowModerateHighND
+152391
+GZ10010
++10010
  • 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; GZ, grey zone for CMV IgM antibody; −, negative for CMV IgM antibody.