TABLE 6.
Reveal AST results for spiked blood cultures by antimicrobial against references provided by the CDC AR Bank
| Antibiotica | TTR (h) | No. of strains |
% Agreement (no.) |
No. of errors |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Total | S | I | R | EA | CA | mE | ME | VME | ||
| Ampicillin-sulbactam | 4.0 | 16 | 0 | 2 | 14 | 93.8 (15) | 87.5 (14) | 1 | 0 | 1 |
| Piperacillin-tazobactam | 5.4 | 33 | 4 | 1 | 28 | 90.9 (30) | 87.9 (29) | 3 | 0 | 1 |
| Cefepime | 4.9 | 33 | 6 | 0 | 27 | 100 (33) | 100 (33) | 0 | 0 | 0 |
| Cefotaxime | 4.3 | 29 | 4 | 0 | 25 | 96.6 (28) | 96.6 (28) | 1 | 0 | 0 |
| Cefoxitin | 3.1 | 4 | 0 | 0 | 4 | 100 (4) | 100 (4) | 0 | 0 | 0 |
| Ceftazidime | 4.2 | 33 | 4 | 1 | 28 | 100 (33) | 100 (33) | 0 | 0 | 0 |
| Ceftriaxone | 4.1 | 29 | 4 | 0 | 25 | 100 (29) | 100 (29) | 0 | 0 | 0 |
| Aztreonam | 5.3 | 21 | 8 | 0 | 13 | 100 (21) | 100 (21) | 0 | 0 | 0 |
| Ertapenem | 4.5 | 17 | 5 | 0 | 12 | 94.1 (16) | 100 (17) | 0 | 0 | 0 |
| Imipenem | 5.1 | 33 | 6 | 0 | 27 | 93.9 (31) | 97.0 (32) | 1 | 0 | 0 |
| Meropenem | 5.2 | 33 | 6 | 0 | 27 | 97.0 (32) | 97.0 (32) | 0 | 0 | 1 |
| Ciprofloxacin | 3.7 | 33 | 7 | 0 | 26 | 100 (33) | 100 (33) | 0 | 0 | 0 |
| Levofloxacin | 4.0 | 33 | 7 | 1 | 25 | 100 (33) | 93.9 (31) | 2 | 0 | 0 |
| Amikacin | 4.0 | 33 | 14 | 2 | 17 | 100 (33) | 93.9 (31) | 2 | 0 | 0 |
| Gentamicin | 4.0 | 33 | 9 | 2 | 22 | 100 (33) | 93.9 (31) | 2 | 0 | 0 |
| Tobramycin | 3.9 | 33 | 10 | 0 | 23 | 100 (33) | 93.9 (31) | 2 | 0 | 0 |
| Tetracycline | 4.2 | 29 | 9 | 3 | 17 | 93.1 (27) | 86.2 (25) | 3 | 0 | 1 |
| Tigecycline | 4.6 | 17 | 13 | 3 | 1 | 94.1 (16) | 76.5 (13) | 4 | 0 | 0 |
| Trimethoprim-sulfa | 3.6 | 29 | 6 | 0 | 23 | 100 (29) | 100 (29) | 0 | 0 | 0 |
a
Only those antibiotics for which the CDC AR Bank provides MICs were used in this analysis.