Table 2.
Antibiotics included in the definition of multidrug-resistance for Pseudomonas aeruginosa, Acinetobacter baumannii and Klebsiella pneumoniae
| Antimicrobial agents | Pseudomonas aeruginosa, n (%) | Acinetobacter baumannii, n (%) | Klebsiella spp, n (%) |
| Penicillins + beta-lactamase inhibitors | 82 (46.6) | 64 (36.4) | 76 (43.2) |
| Cephalosporins | 108 (61.4) | 69 (39.2) | 120 (68.2) |
| Carbapenems | 149 (84.7) | 147 (83.5) | 142 (80.7) |
| Fluoroquinolones | 92 (52.3) | 82 (46.6) | 87 (49.9) |
| Aminoglycosides | 79 (44.9) | 73 (41.5) | 77 (43.8) |
| Monobactams | 25 (14.2) | NA | 29 (16.5) |
| Phosphonic acid | 7 (4.0) | NA | 6 (3.4) |
| Polymyxins | 43 (24.4) | 50 (28.4) | 45 (25.6) |
| Tetracyclines | NA | 20 (11.4) | 21 (11.9) |
| Trimethoprim/sulfamethoxazole | NA | 29 (16.5) | 25 (14.2) |
| Cephamycins | NA | NA | 28 (15.9) |
| Glycylcyclines | NA | NA | 24 (13.6) |
| Other | 3 (1.7) | 7 (4.0) | 4 (2.3) |
| Total | 176 (100) | 176 (100) | 176 (100) |
NA, not applicable.