Table 3.
Susceptibility of Gram-negative bacterial isolates to ceftazidime and amikacin.
| Gram-negative | Genus | Species | No. | Amikacin | Ceftazidime |
|---|---|---|---|---|---|
| Cocci | Neisseria | 4 | 1/1 (100%) | 1/1 (100%) | |
| Coccobacilli | Hemophilus | H. influenzae | 11 | 11/11 (100%) | 11/11 (100%) |
| Bacilli | |||||
| Enterobacteriaceae | Klebsiella | K. pneumoniae | 164 | 161/164 (98%) | 160/164 (98%) |
| K. oxytoca | 2 | 2/2 (100%) | 2/2 (100%) | ||
| Citrobacter | C. freundii | 4 | 4/4 (100%) | 4/4 (100%) | |
| C. koseri | 4 | 4/4 (100%) | 4/4 (100%) | ||
| Enterobacter | E. aerogenes | 1 | 1/1 (100%) | 1/1 (100%) | |
| E. agglomerans | 2 | 2/2 (100%) | 2/2 (100%) | ||
| E. cloacae | 11 | 11/11 (100%) | 11/11 (100%) | ||
| E. gergoviae | 2 | 2/2 (100%) | 2/2 (100%) | ||
| Morganella | M. morganii | 2 | 2/2 (100%) | 2/2 (100%) | |
| Proteus | P. mirabilis | 11 | 11/11 (100%) | 11/11 (100%) | |
| P. vulgaris | 1 | 1/1 (100%) | 1/1 (100%) | ||
| Salmonella | 2 | NT | 2/2 (100%) | ||
| Serratia | S. marcescens | 12 | 12/12 (100%) | 12/12 (100%) | |
| Escherichia | E. coli | 13 | 13/13 (100%) | 13/13 (100%) | |
| Non-Enterobacteriaceae-fermentative | Aeromonas | A. hydrophilia | 3 | 3/3 (100%) | 3/3 (100%) |
| Vibrio | V. parahaemolyticus | 1 | NT | 1/1 (100%) | |
| Non-Enterobacteriaceae-nonfermentative | Acinetobacter | A. baumannii | 3 | 1/3 (33%) | 1/3 (33%) |
| A. lwoffii | 1 | 1/1 (100%) | 1/1 (100%) | ||
| A. pittii | 1 | 1/1 (100%) | 1/1 (100%) | ||
| Burkholderia | B. pseudomallei | 1 | 0/1 (0%) | 1/1 (100%) | |
| B. cepacia complex | 3 | 0/1 (0%) | 3/3 (100%) | ||
| Flavobacterium | 3 | 3/3 (100%) | 3/3 (100%) | ||
| Moraxella | M. catarrhalis | 3 | NT | 3/3 (100%) | |
| M. nonliquefaciens | 1 | NT | 1/1 (100%) | ||
| Pseudomonas | P. aeruginosa | 123 | 117/123 (95%) | 121/123 (98%) | |
| P. fluorescens | 2 | 2/2 (100%) | 2/2 (100%) | ||
| P. luteola | 1 | 1/1 (100%) | 1/1 (100%) | ||
| P. stutzeri | 2 | 2/2 (100%) | 2/2 (100%) | ||
| Non-identified | 3 | NT | NT | ||
| Roseomonas | 1 | 1/1 (100%) | 0/1 (0%) | ||
| Stenotrophomonas | S. maltophilia | 18 | 6/13 (46%) | 1/12 (8%) | |
| Others NF-GNB | 29 | 22/29 (76%) | 25/29 (86%) | ||
| Anaerobic | Bacteroides | 1 | NT | NT | |
| Prevotella | 1 | NT | NT | ||
| 447 | 401/428 (93.7%) | 413/426 (96.9%) | |||
NFGNB nonfermenting Gram-negative bacilli, NT not tested.