TABLE 2.
Single-parameter performancea
| Parameter and result | No. of samples with result/total (%)
|
|||
|---|---|---|---|---|
| Novitec | Biotest | Virotech | DiaSorin | |
| VCA IgG | ||||
| False positive | 3/73 (4.1) | 10/73 (13.7) | 2/73 (2.7) | 8/73 (11.0) |
| False negative | 6/191 (3.1) | 4/191 (2.1) | 15/191 (7.9) | 7/191 (3.7) |
| VCA IgM | ||||
| False positive | 5/203 (2.5) | 19/203 (9.4) | 12/203 (5.9) | 15/203 (7.4) |
| False negative | 6/61 (9.8) | 11/61 (18.0) | 3/61 (4.9) | 11/61 (18.0) |
| EBNA-1 | ||||
| False positive | 2/139 (1.4) | 4/139 (2.9) | 4/139 (2.9) | 22/139 (15.8) |
| False negative | 6/125 (4.8) | 3/125 (2.4) | 7/125 (5.6) | 5/125 (4.0) |
| Total | 28/792 (3.5) | 51/792 (6.4) | 43/792 (5.4) | 68/792 (8.6) |
a
Number of false-negative or false-positive results compared to the IFA reference method.