TABLE 4.
Five representative IB/Nt-positive samples (among the 182 best positives) giving discrepant interpretation of results, depending on the commercial immunoassay used
| Sample no. | Titer, IU/ml (interpretation)a |
|||||||
|---|---|---|---|---|---|---|---|---|
| Architect (Abbott Diagnostics) | Cobas 6000 (Roche Diagnostics) | Vidas (bioMérieux) | DxI (Beckman Coulter) | Centaur (Siemens Healthcare) | Enzygnost (Siemens Healthcare) | LXL (DiaSorin) | Serion | |
| 1 | 5 (E) | 60.4 (P) | 10 (E) | 9.4 (N) | 10.7 (P) | 6 (E) | 3.5 (N) | 8.11 (N) |
| 2 | 7 (E) | >500 (P) | 10 (E) | 12.2 (E) | 14.1 (P) | 13 (P) | 4.9 (N) | 10.8 (E) |
| 3 | 4.5 (N) | 61.8 (P) | 7 (N) | 11.4 (E) | 4.8 (N) | 7 (P) | 3.2 (N) | 5.5 (N) |
| 4 | 8.9 (E) | 6.5 (N) | 20 (P) | 11.2 (E) | 33.3 (P) | 14 (P) | 16.9 (P) | 21.4 (P) |
| 5 | 10.7 (P) | 9.5 (N) | 22 (P) | 14.4 (E) | 58.5 (P) | 14 (P) | 23.2 (P) | 36.9 (P) |
a
P, positive; E, equivocal; N, negative.