Table 5.
Comparison of the prevalence of iron genes among different groups of Escherichia coli strains.
| VF | Prevalence of VFs | p | |||||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| Total (n = 140) | Fecal (n = 30) | Cystitis (n = 84) | Pyelonephritis (n = 26) | Fecal vs. cystitis isolates | Fecal vs. pyelonephritis isolates | Cystitis vs. pyelonephritis isolates | |
| fyuA | 100 (71.4) | 12 (40.0) | 65 (77.4) | 23 (88.5) | < 0.001 | < 0.001 | NS |
|
| |||||||
| iroN | 68 (48.6) | 8 (26.7) | 51 (60.7) | 9 (34.6) | 0.002 | NS | 0.025 |
|
| |||||||
| iutA | 73 (52.1) | 8 (26.7) | 56 (66.7) | 17 (65.4) | < 0.001 | 0.007 | NS |
|
| |||||||
| iha | 61 (43.6) | 9 (30.0) | 46 (54.8) | 6 (23.1) | 0.032 | NS | 0.006 |
|
| |||||||
| ireA | 26 (18.6) | 2 (6.7) | 19 (22.6) | 5 (19.2) | NS | NS | NS |
|
| |||||||
| chuA | 103 (73.6) | 10 (33.3) | 72 (85.7) | 21 (80.8) | < 0.001 | < 0.001 | NS |
|
| |||||||
| hma | 70 (50.0) | 5 (16.7) | 45 (53.6) | 20 (76.9) | 0.001 | < 0.001 | 0.041 |
Data are presented as n (%) of isolates.
VF = virulence factor; NS = not significant.
p values (by Fisher’s exact test) are shown where p < 0.05.