Number (%) of participants in the proficiency tests for antibody screening
| Trial | Specimen | No. | Negative | Positive | Intended response |
|---|---|---|---|---|---|
| 1st | BBG-21-01 | 340 | 340 (100.0) | 0 | Negative |
| BBG-21-02 | 340 | 1 (0.3) |
339 (99.7) | Positive | |
| BBG-21-03 | 340 | 0 | 340 (100.0) | Positive | |
| 2nd | BBG-21-07 | 342 | 2 (0.6) |
340 (99.4) | Positive |
| BBG-21-08 | 329 | 342 (100.0) | 0 | Negative | |
| BBG-21-09 | 327 | 340 (99.4) | 2 (0.6) |
Negative |
*Unacceptable responses for antibody screening.