Table 2. Distribution of carbapenemase-producing Enterobacteriaceae isolates per hospital.
| Carbapenemase | Organism | N of carbapenemase-producing Enterobacteriaceae isolates* | |||||
|---|---|---|---|---|---|---|---|
| Hospital A | Hospital B | Hospital C | Hospital D | Hospital E | Total | ||
| OXA-232 | K. pneumoniae | 0 | 0 | 45 | 0 | 1 | 46 |
| E. coli | 0 | 0 | 1 | 0 | 0 | 1 | |
| KPC-2 | K. pneumoniae | 0 | 24 | 0 | 0 | 1 | 25 |
| E. coli | 1 | 0 | 0 | 0 | 0 | 1 | |
| E. cloacae | 1 | 0 | 0 | 0 | 0 | 1 | |
| IMP-1 | K. pneumoniae | 0 | 0 | 0 | 0 | 2 | 2 |
| E. cloacae | 0 | 0 | 2 | 0 | 0 | 2 | |
| NDM-1 | E. coli | 0 | 0 | 1 | 0 | 0 | 1 |
| Total | 2 | 24 | 49 | 0 | 4 | 79 | |
*1 KPC-2 E. coli harbored SHV-12 + CTX-M-65, 1 KPC-2 E. cloacae harbored CTX-M-15 (hospital A); 24 KPC-2 K. pneumoniae harbored CTX-M-65 (hospital B); 45 OXA-232 K. pneumoniae harbored 42 CTX-M 15, 1 SHV-2, 1 SHV-12, and 1 SHV-38, respectively, 1 OXA-232 E. coli harbored CTX-M-15, 2 IMP-1 E. cloacae harbored CTX-M-14, 1 NDM-1 E. coli harbored CTX-M-15 (hospital C); 1 OXA-232 K. pneumoniae harbored CTX-M-15, 1 KPC-2 K. pneumoniae harbored SHV-12 + CTX-M-15, 2 IMP-1 K. pneumoniae harbored 1 SHV-12 and 1 SHV-12+CTX-M-15, respectively (hospital E).
Abbreviations: OXA, oxacillinase; KPC, Klebsiella pneumoniae carbapenemase; IMP, imipenemase; NDM, New Delhi metallo-β-lactamase.