Stanford School of Medicine
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LPCH Antibiogram: Gram Negative Bacilli 2008 (a)
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LPCH Antibiogram 2008
(printable PDF)
Values expressed are % susceptible by Broth Microdilution MIC
| Penicillins | Cephalosporins | Aminoglyc's | Lactams | Others | Urines Only | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Isolates | Ampi- cillin |
Piper/ Tazo- bactam |
Cefaz- olin |
Cefur- oxime (IV) |
Ceftri- axone |
Ceft- azidime |
Cefe- pime |
Ami- kacin |
Genta- micin |
Tobra- mycin |
Aztreo- nam |
Mero- penem |
Cipro- flox- acin |
Co-tri- moxa- zole |
1st gener- ation Cephems |
Nitro- furan- toin |
|
| Cost | $ | $$$ | $ | $$ | $$$ | $$$ | $$$ | $$ | $ | $$ | $$$ | $$$ | $$$ | $ | $ | ||
| Achromobacter xylosoxidans | 29 | - | 64% | - | - | - | 36% | 11% | 14% | 11% | 11% | 4% | 64% | 21% | 64% | - | - |
| Acinetobacter baumannii | 8 (b) | - | - | - | - | - | 100% | 100% | 100% | 88% | 100% | 0% | 64% | 88% | 100% | - | - |
| Citrobacter freundii | 12 | 33% | 67% | 0% | 46% | 46% | 46% | 100% | 100% | 100% | 100% | 33% | 100% | 91% | 64% | 0% | 100% |
| Enterobacter aerogenes | 14 | 0% | 67% | 7% | 64% | 79% | 64% | 100% | 100% | 100% | 100% | 67% | 100% | 100% | 100% | - | 20% |
| Enterobacter cloacae | 55 | 7% | 79% | 7% | 24% | 71% | 75% | 94% | 100% | 98% | 100% | 77% | 100% | 100% | 91% | 0% | 40% |
| Escherichia coli | 347 | 50% | 99% | 88% | 91% | 95% | 95% | 96% | 100% | 92% | 92% | 95% | 100% | 89% | 70% | 62% | 96% |
| Klebsiella oxytoca | 34 | 3% | 100% | 67% | 82% | 91% | 94% | 100% | 100% | 100% | 100% | 93% | 100% | 100% | 94% | 78% | 67% |
| Klebsiella pneumoniae | 66 | 0% | 95% | 89% | 85% | 94% | 92% | 98% | 100% | 96% | 97% | 90% | 100% | 100% | 88% | 85% | 26% |
| Morganella morganii | 10 | 0% | - | 0% | 10% | 100% | 80% | - | - | 90% | 100% | - | - | 100% | 70% | - | - |
| Proteus mirabilis | 48 | 69% | 100% | 90% | 94% | 96% | 96% | 100% | 100% | 94% | 94% | 100% | 100% | 98% | 73% | 93% | 0% |
| Pseudomonas aeruginosa | 296 (d) | - | 85% | - | - | - | 76% | 77% | 96% | 86% | 60% | 63% | 81% | 94% | - | - | - |
| Pseudomonas aeruginosa (CF-mucoid) (c) | 341 (d) | - | Pip 87% | - | Imp 79% | - | 89% | 86% | - | - | 77% | 85% | 84% | 68% | - | - | - |
| Pseudomonas aeruginosa (CF-non-mucoid) (c) | 341 (d) | - | Pip 82% | - | Imp 71% | - | 81% | 77% | - | - | 62% | 77% | 80% | 58% | - | - | - |
| Salmonella spp. | 2 (b) | 100% | - | - | - | 100% | - | - | - | - | - | - | - | 100% | 50% | - | - |
| Serratia marcescens | 29 | 8% | 81% | 0% | 0% | 93% | 79% | 100% | 100% | 100% | 100% | 85% | 100% | 93% | 93% | - | 0% |
| Stenotrophomonas maltophilia | 55 | - | Tic/Clav 32% | - | - | - | - | Levo 81% | - | - | - | - | 91% | - | - | ||
Pip = Piperacillin; Imp = Imipenem; Tic/Clav = Ticarcillin/Clavulanate; Levo = Levofloxacin
(a) Not all isolates tested against every antibiotic.
(b) Data from isolate totals < 10 may be statistically unreliable.
(c) Cystic fibrosis patient isolates tested by disk diffusion.
(d) Pseudomonas aeruginosa isolates not corrected for duplicates.