Table 3.
Susceptibility of tet(X)-positive Flavobacteriaceae strains to commonly used antibiotics.
| Antibiotic | MIC50 (mg l−1) | MIC90 (mg l−1) | Range (mg l−1) | R% | I% | S% |
|---|---|---|---|---|---|---|
| TCC | ≥128 | ≥128 | ≤8–≥128 | 96.84% | 0.00% | 3.16% |
| TZP | ≥128 | ≥128 | ≤4–≥128 | 96.84% | 0.00% | 3.16% |
| CAZ | ≥64 | ≥64 | 32–≥64 | 100.00% | 0.00% | 0.00% |
| SFP | ≥64 | ≥64 | ≤8–≥64 | 71.58% | 17.89% | 10.53% |
| FEP | ≥32 | ≥32 | 2–≥32 | 94.74% | 4.21% | 1.05% |
| ATM | ≥64 | ≥64 | ≥64 | 100.00% | 0.00% | 0.00% |
| IPM | ≥16 | ≥16 | ≤0.25–≥16 | 96.84% | 0.00% | 3.16% |
| MEM | ≥16 | ≥16 | 1–≥16 | 96.84% | 0.00% | 3.16% |
| AMK | ≥64 | ≥64 | 16–≥64 | 98.95% | 0.00% | 1.05% |
| TM | ≥16 | ≥16 | ≥16 | 100.00% | 0.00% | 0.00% |
| CIP | ≥4 | ≥4 | 0.5–≥4 | 84.21% | 1.05% | 14.74% |
| LEV | ≥8 | ≥8 | 0.25–≥8 | 81.05% | 3.16% | 15.79% |
| DO | 8 | ≥16 | 1–≥16 | 32.63% | 26.32% | 41.05% |
| MNO | ≤1 | ≤1 | ≤1–≥16 | 1.05% | 0.00% | 98.95% |
| TGC | ≥8 | ≥8 | 4–≥8 | 100.00% | Na | 0.00% |
| CS | ≥16 | ≥16 | ≥16 | 100.00% | Na | 0.00% |
| SXT | ≥320 | ≥320 | ≤20–≥320 | 77.89% | Na | 22.11% |
TCC ticarcillin/clavulanic acid, TZP piperacillin/tazobactam, CAZ ceftzaidime, SFP cefoperazone/sulbactam, FEP cefepime, ATM aztreonam, IPM imipenem, MEM meropenem, AMK amikacin, TM tobramycin, CIP ciprofloxacin, LEV levofloxacin, DO doxycycline, MNO minocycline, TGC tigecycline, CS, colistin, SXT trimethoprime/sulfamethoxazole.
R resistant, I intermediate, S susceptible.
Na, not applicable since no intermediate value was defined for the corresponding antibiotic.