TABLE 4.
Distribution of virulence factor (VF) genes among recurrent E. coli bacteremia isolates
| VF genes | ERIC-PCR identical strains (n = 49) (no. [%])a | ERIC-PCR discordant strains (n = 21) (no. [%]) | P-value |
|---|---|---|---|
| afaB/C | 3 (6.1) | 1 (4.8) | 1 |
| fimH | 49 (100.0) | 20 (95.2) | 0.3 |
| sfaD/E | 9 (18.4) | 0 (0.0) | 0.049 |
| papC | 21 (42.9) | 4 (19.0) | 0.064 |
| papG2 | 14 (28.6) | 3 (14.3) | 0.24 |
| iha | 26 (53.1) | 4 (19.0) | 0.0095 |
| iucD | 29 (59.2) | 8 (38.1) | 0.124 |
| iutA | 29 (59.2) | 8 (38.1) | 0.124 |
| fyuA | 46 (93.9) | 13 (61.9) | 0.0019 |
| iroN | 13 (26.5) | 4 (19.0) | 0.561 |
| cnf1 | 11 (22.4) | 0 (0.0) | 0.027 |
| sat | 25 (51.0) | 4 (19.0) | 0.017 |
| hlyA | 11 (22.4) | 0 (0.0) | 0.027 |
| KpsMT2 | 39 (79.6) | 11 (52.4) | 0.041 |
| cvaC | 3 (6.1) | 4 (19.0) | 0.186 |
| ibeA | 10 (20.4) | 3 (14.3) | 0.741 |
| ompT | 3 (6.1) | 4 (19.0) | 0.186 |
| TcpC | 8 (16.3) | 2 (9.5) | 0.712 |
| usp | 42 (85.7) | 10 (47.6) | 0.002 |
| traT | 38 (77.6) | 13 (61.9) | 0.242 |
a
ERIC-PCR, enterobacterial repetitive intergenic consensus PCR.