Table 1.
Number of MBL-producing strains among meropenem-resistant Enterobacterales, meropenem-non-susceptible P. aeruginosa and A. baumannii complex strains collected in the SIDERO-WT surveillance programmes
| Number of strains | ||||||
|---|---|---|---|---|---|---|
| MEM-Ra or MEM-NSb | MBL producers | |||||
| Total | IMP | VIM | NDM | GIM | ||
| Enterobacterales | 908 | 200 | 2 | 104 | 94 | 0 |
| Citrobacter amalonaticus | 1 | 1 | 0 | 1 | 0 | 0 |
| Citrobacter freundii complex | 32 | 17 | 0 | 14 | 3 | 0 |
| Citrobacter koseri | 2 | 0 | 0 | 0 | 0 | 0 |
| Enterobacter cloacae complex | 83 | 42 | 0 | 33 | 9 | 0 |
| Enterobacter bugandensis | 2 | 0 | 0 | 0 | 0 | 0 |
| Escherichia coli | 33 | 7 | 0 | 2 | 5 | 0 |
| Klebsiella aerogenes | 15 | 0 | 0 | 0 | 0 | 0 |
| Klebsiella oxytoca | 16 | 5 | 0 | 5 | 0 | 0 |
| Klebsiella pneumoniae | 645 | 110 | 0 | 37 | 73 | 0 |
| Klebsiella variicola | 2 | 0 | 0 | 0 | 0 | 0 |
| Proteus mirabilis | 2 | 2 | 1 | 1 | 0 | 0 |
| Providencia rettgeri | 7 | 1 | 1 | 0 | 0 | 0 |
| Serratia marcescens | 68 | 15 | 0 | 11 | 4 | 0 |
| Non-fermenters | ||||||
| Pseudomonas aeruginosa | 1759 | 227 | 25 | 200 | 2 | 0 |
| Acinetobacter baumannii complex | 2809 | 25 | 2 | 0 | 21 | 2 |
MEM-R, meropenem-resistant. For Enterobacterales, numbers of meropenem-resistant strains are shown.
MEM-NS, meropenem-non-susceptible. For A. baumannii complex and P. aeruginosa, numbers of meropenem-non-susceptible strains are shown.