TABLE 4 .
Average number of virulence-associated genes and ECOR group membership
| Clinical group | Avg no. of virulence genes |
% of isolates that belong to ECOR phylogenetic groupa: |
|||
|---|---|---|---|---|---|
| A | B1 | B2 | D | ||
| Fecal | 4.2 | 42.9 | 18.7 | 20.9 | 17.6 |
| Compromised host | 6.4 | 17.1 | 7.3 | 51.2 | 24.4 |
| Asymptomatic bacteriuria | 7.2 | 15.9 | 11.1 | 58.7 | 14.3 |
| Cystitis | 7.6 | 16.7 | 0.0 | 71.4 | 11.9 |
| Pyelonephritis | 8.4 | 7.7 | 2.6 | 70.5 | 19.2 |
| tosA-positive strains | 11.2 | 0.0 | 1.6 | 98.4 | 0.0 |
| tosA-negative strains | 5.4 | 27.6 | 11.2 | 39.2 | 22.0 |
a
ECOR group membership expressed as % of isolates that belong to the four main ECOR phylogenetic groups.