Table 2. Prevalence of virulence factor genes (VFGs) according to the type of isolate.
| Type of isolate | |||
|---|---|---|---|
| VFGsa | VECb (n = 82) | Obstetric IECc (n = 63) | Total (n = 145) |
| hlyA | 19 (23) | 12 (19) | 31 (21) |
| cnf1 | 18 (22) | 16 (25) | 34 (23) |
| sat1 | 29 (35) | 27 (43) | 56 (39) |
| papA | 23 (28) | 28 (44) | 51 (35) |
| papEF | 21 (26) | 17 (27) | 38 (26) |
| papC | 20 (24) | 24 (38) | 44 (30) |
| focG | 9 (11) | 4 (6) | 13 (9) |
| hra | 29 (35) | 22 (35) | 51 (35) |
| fyuA | 66 (80) | 48 (76) | 114 (79) |
| iutA | 37 (45) | 40 (63.5) | 77 (53) |
| iroN | 29 (35) | 23 (37) | 52 (36) |
| iucC | 41 (50) | 39 (62) | 80 (55) |
| ibeA | 13 (16)* | 2 (3) | 15 (10) |
aVFGs: Virulence Factor Genes
bVEC: Vaginal Escherichia coli
cObstetric IEC: Obstetric Infection Escherichia coli
*p-value = 0.014