Table 1.
Isolates evaluated by the CTX-LFIA test.
| Gram-negative species (N=80) | Number of isolates tested | Number of ESBL isolates tested | Number of non ESBL isolates tested | Number of ESBL isolates detected by CTX-M MULTI test | Number of negative ESBL isolates detected | Additional resistance mechanisms | Polimicrobial blood culture and additional bacterial species identified | |
|---|---|---|---|---|---|---|---|---|
| Klebsiella pneumoniae | 9 | 9 | 0 | 9 | 0 | OXA 48 (1 strain) | 0 | |
| Escherichia coli | 9 | 8 | 1 | 8 | 1 | 0 | 0 | |
| Klebsiella aerogenes | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
| Spiked blood cultures clinical isolates | ||||||||
| Klebsiella pneumoniae | 17 | 5 | 12 | 5 | 12 | 0 | 0 | |
| Escherichia coli | 42 | 5 | 37 | 4 | 37 | 0 | 2 (P. mirabilis, K. pneumoniae) | |
| Klebsiella oxytoca | 2 | 0 | 2 | 0 | 2 | 0 | 0 | |
| Routine prospective blood culture isolates | ||||||||
| TOTAL | 80 | 27 | 53 | 26 | 53 | 0 | 2 | |