Table 1 Anti-SARS-CoV-2 antibody assays.
Assay Name | Anti-SARS-CoV-2-ELISA | SARS-CoV-2 IgG | Elecsys Anti-SARS-CoV-2 |
|---|---|---|---|
Provider | Euroimmun | Abbott | Roche |
Cat. number | EI 2606–9601 G | 6R86-22 | 09203095190 |
Assay Principle | ELISA | CMIAa | ECLIAb |
Antigen | SP S1 domain | Nucleocapsid protein (NCP), C-Terminus | Nucleocapsid protein (NCP) |
Detected Antibody | IgG | IgG | Total Ig |
Abbreviation | Euroimmun-IgG | Abbott-IgG | Roche-Ig |
Cut-Off value | 1.1 | 1.4 | 1.0 |
Sensitivity (%) | 84.9 [81.5; 87.9]c | 88.9 [85.8; 91.6] | 90.3 [87.4; 92.8] |
Specificity (%) | 99.3 [98.29; 99.76] | 99.4 [98.50; 99.84] | 100.0 [99.46; 100] |
