Table 2.
Performance of Verigene BC-GP assay in comparison with standard procedures in spiked blood cultures
| Organism | No. of isolates: |
|||
|---|---|---|---|---|
| Tested | Correctly identified | Incorrectly identified | Not detected | |
| S. lugdunensis | 1 | 1 | 0 | 0 |
| E. faecium | ||||
| Vancomycin-susceptible | 2 | 2 | 0 | 0 |
| Vancomycin-resistant | 6 | 6 | 0 | 0 |
| E. faecalis, vancomycin-resistant | 1 | 1 | 0 | 0 |
| S. anginosus groupa | 3 | 1 | 1 | 1 |
| Other viridans group streptococci | 6 | 6 | 0 | 0 |
| S. pyogenes | 11 | 11 | 0 | 0 |
| S. agalactiae | 11 | 11 | 0 | 0 |
| Listeria monocytogenes | 2 | 2 | 0 | 0 |
| Other Gram-positive organismsb | 1 | 0 | 1 | 0 |
a
BC-GP identified one isolate as S. pneumoniae and reported the second as no call due to internal control failure twice.
b
BC-GP reported a blood culture spiked with E. avium as E. faecium.