Table 2.
Changes in Rates of Susceptibility by Organism for P. aeruginosa. Changes in susceptibilities are listed for Chandler Hospital, cardiovascular ICU, medical IDU, and the neurosurgical ICU. The individual changes are listed, along with the average. ABX antibiotic, CPX ciprofloxacin, LVX levofloxacin, MEM meropenem, TZP piperacillin-tazobactama,b
| Chandler Hospital (All Units) | |||
|---|---|---|---|
| P. aeruginosa (n = 3,098) | |||
| Agent | Old (%) | New (%) | p-value |
| CPX | 67.5 | 58.7 | <0.01 |
| LVX | 63.2 | 55.6 | <0.01 |
| MEM | 78.0 | 72.7 | <0.01 |
| TZP | 88.1 | 72.7 | <0.01 |
| Average Δ | 9.3% | ||
| Cardiovascular ICU | |||
| P. aeruginosa (n = 265) | |||
| Agent | Old (%) | New (%) | p-value |
| CPX | 71.7 | 63.9 | <0.01 |
| LVX | 58.5 | 49.2 | <0.01 |
| MEM | 74.2 | 67.4 | <0.01 |
| TZP | 83.1 | 65.0 | <0.01 |
| Average Δ | 10.5% | ||
| Medical ICU | |||
| P. aeruginosa (n = 422) | |||
| Agent | Old (%) | New (%) | p-value |
| CPX | 47.5 | 39.8 | <0.01 |
| LVX | 42.0 | 32.9 | <0.01 |
| MEM | 59.8 | 53.8 | <0.01 |
| TZP | 80.7 | 55.8 | <0.01 |
| Average Δ | 11.9% | ||
| Neurosurgical ICU | |||
| P. aeruginosa (n = 146) | |||
| Agent | Old (%) | New (%) | p-value |
| CPX | 74.3 | 65.0 | <0.01 |
| LVX | 70.1 | 63.9 | <0.01 |
| MEM | 78.1 | 73.3 | 0.02 |
| TZP | 89.5 | 73.4 | <0.01 |
| Average Δ | 9.1% | ||
Note. ABX, antibiotic; CPX, ciprofloxacin; LVX, levofloxacin; MEM, meropenem; TZP piperacillin-tazobactam; ICU, intensive care unit.
a
Changes in susceptibilities are listed for Chandler Hospital, cardiovascular ICU, medical ICU, and the neurosurgical ICU.
b
The individual changes are listed, along with the average.