Table 3.
Co-carriage of ESBLs genes and aac(6′)- Ib-cr gene in Enterobacteriaceae isolates
| aac(6′)-Ib-cr (n = 165) | Species | ESBL genes | Numbers of isolates |
|---|---|---|---|
| aac(6′)- Ib-cr associated with CTX-M group genes | E. coli | CTX-M-15 | 22 |
| E. coli | CTX-M-15 + 1 | 25 | |
| K. pneumoniae | CTX-M-15 + 1 | 24 | |
| Citrobacter spp | CTX-M-15 + 1 | 22 | |
| Proteus spp. | CTX-M-15 + 1 | 2 | |
| E. coli | CTX-M-1 | 19 | |
| K. pneumoniae | CTX-M-1 | 6 | |
| Citrobacter spp. | CTX-M-1 | 3 | |
| E. coli | CTX-M-8 | 2 | |
| Total | 125 (75.5%) | ||
|
aac(6′)-Ib-cr not associated with CTX-M group genes Total |
E. coli | SHV + TEM | 21 |
| E. coli | SHV | 15 | |
| E. coli | TEM | 2 | |
| Proteus spp. | SHV | 2 | |
| 40 (24.2%) | |||
| P value | < 0.01 |