Table 4.
Pathogen | %I | Amikacin | Ceftazidime | Ciprofloxacin | Imipenem | ||||
---|---|---|---|---|---|---|---|---|---|
%S | IF | %S | IF | %S | IF | %S | IF | ||
Coagulase-negative staphylococcus | 20.1 | 6 | 1.2 | n/a | n/a | 24 | 4.8 | n/a | n/a |
Staphylococcus aureus | 16.2 | 50 | 8.1 | n/a | n/a | 53 | 7.0 | n/a | n/a |
Acinetobacter baumannii | 10.2 | 3 | 0.3 | 0 | 0 | 4 | 0.4 | 17 | 1.7 |
Escherichia coli | 6.0 | 82 | 4.9 | 71 | 4.3 | 65 | 4.0 | 100 | 6 |
Klebsiella pneumoniae | 5.5 | 60 | 3.9 | 38 | 2.1 | 46 | 2.5 | 100 | 5.5 |
Enterobacter cloacae | 5.2 | 95 | 4.9 | 71 | 3.7 | 87 | 4.5 | 100 | 5.2 |
Proteus mirabilis | 5.0 | 67 | 3.4 | 68 | 3.4 | 50 | 2.5 | 29 | 1.5 |
Pseudomonas aeruginosa | 5.0 | 100 | 5.0 | 89 | 4.5 | 68 | 3.4 | 80 | 4 |
Percentage of overall activity | 43.3 | 24.6 | 29.8 | 32.7 |
n/a not available; %I percentage frequency of isolation, %S percentage sensitivity of pathogen to antibiotic, IF antimicrobial impact factor: the likelihood that a pathogen would be sensitive to an antimicrobial drug, (%I × %S) ∕ 100