Table 2

Analytical sensitivity of NT-MAA and RPR with purified anticardiolipin antibody

Anticardiolipin antibody (IgM class)Anticardiolipin antibody (IgG class)
Concentration
(µg/mL)
NT-MAARPRConcentration
(µg/mL)
NT-MAARPR
83.8RR54.5RR
41.9RR27.3RR
20.9RR13.6RR
10.5RR6.8RR
5.2RR3.4RR
2.6RmRm1.7RRm
1.3NN0.9RmN
0.7NN0.4NN
  • N, non-reactive; NT-MAA, non-treponemal magnetic particle-based agglutination assay; R, reactive; Rm, minimally reactive; RPR, rapid plasma reagin.