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Specificity was tested by spiking QC2 into 6 negative serum batches and comparing the result to that for nontreated QC2
| Sample | Titer (EU/ml) | Accuracy (%) | Bias (%) |
|---|---|---|---|
| QC2 | 278 | ||
| QC2 + serum 1 | 279 | 100.3 | 0.3 |
| QC2 + serum 2 | 278 | 99.7 | −0.3 |
| QC2 + serum 3 | 269 | 96.6 | −3.4 |
| QC2 + serum 4 | 279 | 100.2 | 0.2 |
| QC2 + serum 5 | 272 | 97.9 | −2.1 |
| QC2 + Ad35-positive serum | 283 | 101.5 | 1.5 |
