Table 3.
Resistance to non-β-lactam antibiotics in relation to the mechanism of resistance to AMC in E. coli
| Resistance mechanism or source (n)a | No. of isolates (%) with resistance to: |
||||
|---|---|---|---|---|---|
| Ciprofloxacin | Gentamicin | Tobramycin | Amikacin | Cotrimoxazole | |
| TEM-1 (53) | 27 (51.8) | 7 (13.2) | 10 (20.4) | 0 | 30 (56.6) |
| IRTs (45) | 17 (37.8) | 4 (8.9) | 4 (8.9) | 0 | 24 (53.3) |
| OXA-1 (67) | 57 (85.1) | 34 (50.7) | 55 (82.1) | 12 (17.9) | 55 (82.1) |
| AmpC (97) | 51 (52.6) | 17 (17.5) | 23 (23.7) | 1 (1) | 44 (45.4) |
| Total (257) | 149 (58) | 61 (23.7) | 86 (33.5) | 12 (4.7) | 149 (58) |
a
n, number of isolates.