Table 1 Prevalence of the different types of ß-lactamase-encoding genes among different Enterobacteriaceae species
Species | No. of isolates | No. of ESBL positive isolates (%) | CTX-M alone | CTX-M + TEM | CTX-M + SHV | TEM + SHV | CTX-M + TEM + SHV |
|---|---|---|---|---|---|---|---|
E.coli | 72 | 51 (70.83) | 38 | 3 | 2 | 0 | 1 |
Klebsiella pneumoniae | 23 | 19 (82.61) | 0 | 0 | 10 | 1 | 8 |
Enterobacter spp | 3 | 2 (66.66) | 1 | 1 | 0 | 0 | 0 |
Salmonella spp | 1 | 1 (100) | 1 | 0 | 0 | 0 | 0 |
Other species | 14 | 0(0) | 0 | 0 | 0 | 0 | 0 |
Total | 113 | 73 (64.61) | 40 | 4 | 12 | 1 | 9 |