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Frequency of MDR and non-MDR Gram-negative pathogens in the early and late periods of the study
| Study period | Number of MDR cases | Number of non-MDR cases | p-value | |
|---|---|---|---|---|
| A. baumannii | Early | 7 | 2 | 1 |
| Late | 28 | 6 | ||
| K. pneumoniae | Early | 7 | 9 | 1 |
| Late | 15 | 21 | ||
| P. aeruginosa | Early | 1 | 13 | 0.076 |
| Late | 5 | 8 | ||
| E. aerogenes | Early | 1 | 8 | 1 |
| Late | 1 | 10 |
