Table 2.
Comparison of the frequency of E. coli virulence genes seen in asymptomatic bacteriuric (ASB) diabetic women with E. coli isolates from various other collections.
| Percentage of E. coli strains harboring the gene |
||||||
|---|---|---|---|---|---|---|
| Virulence Factor (Gene name ) |
ASB Diabetic women, Age >16 yrs (n=238) |
Fecal (no UTI) Age 18–39 yrs (n=269) |
First UTI Age 18–39 yrs (n=237) |
Recurring UTI Age 18–39 yrs (n=27) |
UTI Age 40–65 yrs (n=87) |
Periurethral Age 18–39 yrs (n=53) |
| Dr family of adhesins (drb) |
9.7 | 5.6 | 15.2 | 7.4 | 10.3 | 3.8 |
| P-pili family (pff) |
24.1 | 34.2 | 49.8 | 59.3 | 57.5 | 34.0 |
| Class I, P-pili (papGJ96) |
0.0 | 0.0 | 2.1 | 3.7 | 2.3 | 0.0 |
| Class II, P-pili (papGAD) |
18.5 | 23.1 | 27.0 | 37.0 | 31.0 | 11.3 |
| Class III, P-pili (prsGJ96) |
11.1 | 8.6 | 21.1 | 29.6 | 24.1 | 20.8 |
| S fimbriae (sfa) |
18.5 | 12.6 | 27.9 | 44.4 | 41.4 | 24.5 |
| Cytotoxic necrotizing factor 1 (cnf 1) |
18.3 | 10.0 | 26.6 | 40.7 | 29.9 | 24.5 |
| Hemolysin (hly) |
18.3 | 14.9 | 37.6 | 48.2 | 44.8 | 26.4 |
| Aerobactin (aer) |
40.6 | 41.3 | 46.0 | 40.7 | 37.9 | 26.4 |
| Outer membrane protease T (ompT) |
31.4 | 67.7 | 83.1 | 85.2 | 88.5 | 75.5 |
| Capsule, Group II (kpsMT) |
38.4 | 63.6 | 81.9 | 74.1 | 75.9 | 73.6 |