Table 2 Minimal inhibitory concentrations and antibiotic susceptibility interpretations of PA (n = 92)
From: Multidrug resistant Pseudomonas aeruginosa in Estonian hospitals
Antibiotic | MIC range (mg/L) | MIC50 (mg/L) | MIC90 (mg/L) | S (%) | I (%) | R (%) |
|---|---|---|---|---|---|---|
Beta-lactams | ||||||
 Imipenem | 0.5–32 | 24 | 32 | 19.6 | 20.7 | 59.8 |
 Piperacillin/tazobactam | 0.5–256 | 16 | 256 | 50.0 | 0 | 50.0 |
 Meropenem | 0.125–32 | 8 | 32 | 28.3 | 25.0 | 46.7 |
 Cefepime | 0.5–256 | 6 | 32 | 70.7 | 0 | 29.3 |
 Ceftazidime | 0.75–256 | 2 | 64 | 73.9 | 0 | 26.1 |
Ciprofloxacin | 0.064–32 | 0.5 | 32 | 53.3 | 0 | 46.7 |
Aminoglycosides | ||||||
 Gentamicin | 0.125–256 | 2 | 48 | 80.4 | 0 | 19.6 |
 Amikacin | 1–256 | 6 | 16 | 75.0 | 17.4 | 7.6 |
 Tobramycin | 0.125–256 | 1 | 4 | 90.2 | 0 | 9.8 |