Distribution of ESBL strains isolated and typed in rectal swabs at hospital admission
| Enzyme | Micro-organism | ||||||
| ESBL Escherichia coli | ESBL Klebsiella pneumoniae | ESBL Enterobacter cloacae | ESBL Citrobacter freundii | ESBL+CP E. coli | ESBL+CP K. pneumoniae | Total (%) | |
| CTX–M | 1 | – | – | – | – | – | 1 (0.48) |
| CTX–M-1 | 10 | 4 | – | – | – | – | 14 (6.73) |
| CTX–M-9 | 10 | 3 | – | – | – | – | 13 (6.25) |
| CTX–M-14 | 23 | 1 | – | – | – | 2 | 26 (12.50) |
| CTX–M-15 | 35 | 31 | 1 | – | 3 | 40 | 110 (52.88) |
| CTX–M-27 | 6 | – | – | – | – | – | 6 (2.88) |
| CTX–M-32 | 2 | – | – | – | – | – | 2 (0.96) |
| CTX–M-55 | 1 | – | – | – | – | – | 1 (0.48) |
| SHV | 1 | 1 | – | – | – | – | 2 (0.96) |
| SHV–2 | 1 | 1 | – | – | – | – | 2 (0.96) |
| SHV–12 | 10 | 8 | – | 1 | – | 5 | 24 (11.54) |
| SHV–28 | – | 5 | – | – | – | 1 | 6 (2.88) |
| SHV–31 | – | 1 | – | – | – | – | 1 (0.48) |
| Total | 100 | 55 | 1 | 1 | 3 | 48 | 208 (100) |
CP, carbapenemase; ESBL, extended-spectrum beta-lactamases.