Table 3.
Numbers of Gram-negative isolates showing multidrug, extensive-, and pan-drug resistance.
| Microorganism | <3 abs * | MDR ^ | XDR ˜ | PDR ** |
|---|---|---|---|---|
| K. pneumoniae (n = 120) | 14 | 100 | 26 | 6 |
| P. aeruginosa (n = 67) | 3 | 60 | 26 | 4 |
| P. mirabilis (n = 66) | 8 | 57 | 6 | 1 |
| E. coli (n = 63) | 13 | 50 | 13 | 0 |
| A. baumannii (n = 39) | 0 | 39 | 31 | 0 |
| E. aerogenes (n = 16) | 1 | 13 | 11 | 2 |
| S. marcescens (n = 15) | 1 | 12 | 0 | 2 |
| E. cloacae (n = 10) | 1 | 9 | 3 | 0 |
| Burkholderia cepacia complex (n = 3) | 0 | 0 | 0 | 3 |
| Cedecea lapagei (n = 2) | 0 | 2 | 1 | 0 |
| Citrobacter koseri (n = 2) | 0 | 2 | 0 | 0 |
| Hafnia alvei (n = 2) | 0 | 0 | 0 | 2 |
| P. vulgaris (n = 2) | 0 | 2 | 0 | 0 |
| Pantoea agglomerans (n = 2) | 0 | 2 | 0 | 0 |
| Providencia rettgeri (n = 2) | 0 | 2 | 1 | 0 |
| Providencia stuartii (n = 2) | 2 | 13 | 4 | 0 |
| Providencia vulgaris (n = 2) | 0 | 2 | 1 | 0 |
| Stenotrophomonas maltophilia (n = 2) | 0 | 1 | 1 | 0 |
| Edwardsiella ictaluri (n = 1) | 0 | 1 | 0 | 0 |
| K. oxytoca (n = 1) | 0 | 1 | 0 | 0 |
| Moellerella wisconsensis (n = 1) | 0 | 1 | 0 | 0 |
| Morganella morganii (n = 1) | 0 | 1 | 0 | 0 |
| Serratia fonticola (n = 1) | 0 | 1 | 1 | 0 |
| Serratia Liquefaciens (n = 1) | 0 | 1 | 0 | 0 |
| Sphingomonas paucimobilis (n = 1) | 2 | 0 | 0 | 0 |
| Total (437) | 45 (10.3%) | 372 (85.1%) | 125 (28.6%) | 20 (4.6%) |
* abs: antibiotics; ^ MDR: multidrug resistant; ˜ XDR: extensively drug resistant; and ** PDR: pan-drug resistant.