Table 6.
The relation between the production of ESBLs, AmpC, and carbapenemase and the presence of the encoding genes.
| Gene type | No. of isolates positive by PCR | No.of isolates positive by Phenotypic tests | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| ESBLs | P-value | AmpC | P-value | MBLs | P-value | ||
| bla SHV-2a | 21 | 14 | 0 | 0 | |||
| bla OXA-677 | 39 | 3 | 1 | 39 | |||
| blaCTX-M-28 + bla OXA-677 | 17 | 4 | 0.006 | 3 | 0.03 | 17 | 0.003 |
| blaSHV-2a + blaVEB-2 | 2 | 2 | 1 | 0 | |||
| blaSHV-2a + blaPER | 1 | 0 | 1 | 0 | |||
| bla CTX-M-28 | 1 | 0 | 1 | 1 | |||
| PER | 1 | 1 | _ | 1 | _ | 1 | _ |
| blaPER + blaVEB-2 | 1 | 1 | 1 | 1 | |||
| blaSHV-2a + blaPER + blaVEB-2 | 1 | 1 | 1 | 0 | |||
| Total | 84 | 26 | 10 | 59 | |||