Table 3.
Summary of qualitative results for panels 1 to 4 assayed with the three test assays in comparison to FAMA resultsa
| Test assay and FAMA result | No. positive by test assay in panel: |
No. negative by test assay in panel: |
Sensitivity (%) | Specificity (%) | Correlation (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | ||||
| Enzygnost anti-VZV/IgG (Siemens) | |||||||||||
| FAMA positive | 0 | 419 | 47 (10) | 29 (11) | 0 | 0 | 2 | 0 | 99.6 | 100 | 99.7 |
| FAMA negative | 0 | 0 | 0 | 0 | 109 | 1 | 8 | 23 | |||
| Serion ELISA classic VZV IgG (Virion\Serion) | |||||||||||
| FAMA positive | 0 | 419 | 45 (1) | 29 (1) | 0 | 0 | 4 | 0 | 99.2 | 89.4 | 97.0 |
| FAMA negative | 8 (6) | 0 | 0 | 7 (7) | 101 | 1 | 8 | 16 | |||
| Anti-VZV ELISA (IgG) (Euroimmun) | |||||||||||
| FAMA positive | 0 | 408 (1) | 22 (2) | 20 (3) | 0 | 11 | 27 | 9 | 90.5 | 100 | 92.6 |
| FAMA negative | 0 | 0 | 0 | 0 | 109 | 1 | 8 | 23 | |||
a
Summary of qualitative results for panels 1 to 4 when tested with the Enzygnost anti-VZV/IgG, Serion ELISA Classic VZV IgG, and Euroimmun anti-VZV ELISA (IgG) tests and the calculated sensitivities, specificities, and correlations in comparison to FAMA. Numbers of equivocal results are shown in parentheses.