Antimicrobial agents | Interpretation | Zone of inhibition (mm) |
Ciprofloxacin | Sensitive | ≥21 |
Levofloxacin | Sensitive | ≥17 |
Meropenem | Sensitive | ≥23 |
Gentamicin | Sensitive | ≥15 |
Amikacin | Sensitive | ≥17 |
Pipercillin + tazobactam | Intermediate | 18 - 20 |
Ceftriaxone | Resistant | ≤19 |
Ceftazidime | Resistant | ≤17 |