Table 2.
Prevalence of virulence-associated genes between InPEC and ExPEC isolates
| Functional category | Gene | No. of isolates positive(%) | P-value a | |
|---|---|---|---|---|
| ExPEC(n = 48) | InPEC(n = 10) | |||
| Iron chelation | feoB | 47 (97.92) | 9 (90.00) | 0.318 |
| iutA | 46 (95.83) | 6 (60.00) | 0.006 | |
| iroD | 24 (50.00) | 7 (70.00) | 0.311 | |
| irp2 | 48 (100.00) | 10 (100.00) | 1.000 | |
| Adhesin | fimH | 46 (95.83) | 10 (100.00) | 1.000 |
| Protectins | ompT | 47 (97.92) | 10 (100.00) | 1.000 |
| ompA | 48 (100.00) | 10 (100.00) | 1.000 | |
| hlyA | 29 (60.42) | 5 (50.00) | 0.726 | |
| Toxin | cnf | 0 (0.00) | 0 (0.00) | NT |
| LT | 0 (0.00) | 0 (0.00) | NT | |
| Miscellaneous | ibeA | 2 (4.17) | 0 (0.00) | 1.000 |
| Protectins | iss | 34 (70.83) | 2 (20.00) | 0.004 |
| kpsM | 5 (10.42) | 1 (10.00) | 1.000 | |
a P-values determined by Fisher’s exact test, two-tailed