Table 3 The susceptibility of main Gram-Negative bacteria to common antibiotics (%)
Antibiotics | E. coli | K. pneumoniae | ||
|---|---|---|---|---|
Older | Younger | Older | Younger | |
Ceftriaxone | 31.1% | 33.3% | 58.8% | 58.8% |
Cefazolin | 25.7% | 25.8% | 52.9% | 29.4% |
Cefpidoxime | 12.2% | 19.5% | 23.5% | 23.5% |
Ceftazidime | 60.8% | 64.8% | 58.8% | 76.5% |
Cefoperazone/Sulbactam | 70.3% | 79.2% | 70.6% | 82.4% |
Cefotetan | 63.5% | 67.9% | 47.1%* | 82.4%* |
Penicillin | 0.0% | 0.6% | 0.0% | 0.0% |
Tetracycline | 0.0% | 0.0% | 0.0% | 0.0% |
Gentamicin | 47.3% | 56.6% | 64.7% | 70.6% |
Tobramycin | 54.1% | 56.6% | 64.7% | 64.7% |
Vancomycin | 0.0% | 0.6% | 0.0% | 0.0% |
Ampicillin | 9.5% | 10.7% | 0.0% | 0.0% |
Piperacillin/ Tazobactam | 81.1% | 86.8% | 70.6% | 82.4% |
Aztreonam | 48.6% | 54.1% | 64.7% | 76.5% |
Imipenem | 90.5% | 87.4% | 70.6%* | 94.1%* |
Meropenem | 62.2% | 52.2% | 58.8% | 41.2% |
Compound trimethoprim | 44.6% | 53.5% | 76.5% | 70.6% |
Nitrofurantoin | 78.4% | 75.5% | 5.9% | 5.9% |
Levofloxacin | 14.9%* | 32.7%* | 41.2% | 70.6% |
Amikacin | 87.8% | 91.2% | 82.4% | 88.2% |
Ciprofloxacin | 14.9%* | 30.8%* | 29.4% | 58.8% |