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Distribution of E. coli ST131 clone among phylogroups of UPEC isolates from patients with acute UTI by conventional PCR assay.
| Phylogroups | No. of E. coli isolates | No. (%) of E. coli ST131-positive isolates | No. (%) of E. coli O25 and O16-positive isolates | |
|---|---|---|---|---|
| rfb 25 | rfb 16 | |||
| B2 | 38 | 35 (92.1) | 6 (17.1) | 1 (2.85) |
| B1 | 7 | 7 (100) | 1 (14.8) | 0 |
| A | 6 | 3 (50) | 0 | 0 |
| D | 3 | 3 (100) | 0 | 0 |
| C | 1 | 1 (100) | 0 | 0 |
| F | 2 | 2 (100) | 0 | 0 |
| NT | 3 | 1 (33.3) | 0 | 0 |
