Table 5.
Association of phenotypic tests and molecular characterization of E. coli isolates from animals.
| Interactions | Chi square (χ 2) | Significance | Degree of freedom |
|---|---|---|---|
| CEFPODOXIME/ESBL BA/DDDT/GENE | 0.000 | 1.00 | 1 |
| ESBL BA/GENES | 0.000 | 1.000 | 1 |
| CEFPODOXIME/DDST/GENE | 4.961 | 0.026∗ | 1 |
| CEFPODOXIME/ESBL BA | 17.540 | <0.001∗ | 1 |
| ESBL BA/DDST | 24.466 | <0.001∗ | 1 |
| ESBL BA/CTX_M | 0.000 | 1.000 | 2 |
| CEFPODOXIME/DDST/CTX | 5.009 | 0.025∗ | 1 |
| ESBL BA/TEM | 0.000 | 1.000 | 2 |
| CEPODOXIME/TEM | 0.165 | 0.684 | 2 |
| DDST/TEM | 22.407 | <0.001∗ | 1 |
| ESBL BA/SHV | 0.000 | 1.000 | 2 |
| DDST/SHV | 0.000 | 1.000 | 2 |
| CEFPODOXIME/SHV | 0.000 | 1.000 | 2 |
∗Statistically significant.
CEFPODOXIME: Cefpodoxime screening test.
DDST: double disc synergism test.
ESBL BA: ESBL brilliance agar screening test.
SHV: detection of SHV genes.
TEM: detection of TEM genes.
CTX-M: detection of CTX-M genes.