Table 1.
Molecular characterization of the 519 carbapenem-resistant Enterobacterales isolates.
| Positive result | None Detected | Molecular classification | ||||
|---|---|---|---|---|---|---|
| NDM-1 | OXA-48 | NDM-1 +OXA-48 | VIM | |||
| Number of isolates (n=519) | 440/519 (85) | 79/519 (15) | 103/519 (20) | 298/519 (57) | 37/519 (7) | 2/519 (0.4) |
| K pneumoniae (n=456) | 410/456 (89.9) | 46/456 (10.1) | 85/410 (20.7) | 292/410 (71.2) | 33/410 (8) | – |
| K oxytoca (n=3) | 3/3 (100) | – | 3/3 (100) | – | – | – |
| E coli (n=21) | 13/21 (61.9) | 8/X (30) | 9/13 (69) | 1/13 (7.7) | 3/13 (23) | – |
| E cloacae (n=13) | 8/13 (62) | 5/13 (38) | 5/8 (63) | 3/8 (38) | – | – |
| Other gram-negative organismsa (n=26) | 26 (100) | 20/26 (76.9) | 1 (3.8) | 2 (7.7) | 1 (3.8) | 2 (7.7) |
Data are number (%).
a
Proteus mirabilis VIM and OXA-48 (n=2/8), Pseudomonas fluorescens VIM (n=1/1), Acinetobacter baumannii NDM (n=1/8), K ozaenae OXA-48 (n=1/1), Prevotella denticola NDM (n=1) and 1 OXA-48 (n=1), and Serratia marcescens (n=3) Morganella morganii (n=2) E aerogenes (n=1), Pseudomonas (n=1) negative for all genes.