Table 4.
Summary of qualitative results for panels 5 and 6 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 (%) | ||
|---|---|---|---|---|---|---|---|
| 5 | 6 | 5 | 6 | ||||
| Enzygnost anti-VZV/IgG (Siemens) | |||||||
| FAMA positive | 3 (2) | 44 (33) | 4 | 5 | 83.9 | 86.7 | 85.6 |
| FAMA negative | 0 | 12 (11) | 66 | 12 | |||
| Serion ELISA Classic VZV IgG (Virion\Serion) | |||||||
| FAMA positive | 3 (1) | 47 (21) | 4 | 2 | 89.3 | 75.6 | 80.8 |
| FAMA negative | 6 (6) | 16 (12) | 60 | 8 | |||
| Anti-VZV ELISA (IgG) (Euroimmun) | |||||||
| FAMA positive | 1 | 1 | 6 | 48 | 3.6 | 100 | 63.0 |
| FAMA negative | 0 | 0 | 66 | 24 | |||
Summary of qualitative results for panels 5 and 6 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.