Table 8 Characterization and frequency of detected ESBL and carbapenemase enzymes among the Gram-negative isolates
Bacterial species | Resistance genes % (n) | |||||||
|---|---|---|---|---|---|---|---|---|
ESBL enzymes | CP enzymes | |||||||
Any ESBL | CTX-M-1 group | TEM-group | SHV-group | CTX-M-9 group | Any CP | NDM-1 | OXA-51 | |
E. coli (n = 13) | 92.3 (12) | 69.2 (9) | 76.9 (10) | 7.7 (1) | 0 | 0 | 0 | 0 |
K. pneumoniae (n = 6) | 100 (6) | 83.3 (5) | 50.0 (3) | 83.3 (5) | 0 | 16.7 (1) | 16.7 (1) | 0 |
P. aeruginosa (n = 4) | 50.0 (2) | 25.0 (1) | 50.0 (2) | 0 | 0 | 0 | 0 | 0 |
Other* (n = 4) | 75.0 (3) | 0 | 50.0 (2) | 0 | 50.0 (2) | 25.0 (1) | 25.0 (1) | 25.0 (1) |
All GNB (n = 27) | 81.5 (22) | 55.6 (15) | 63.0 (17) | 22.2 (6) | 7.4 (2) | 7.4 (2) | 7.4 (2) | 3.7 (1) |