TABLE 2.
Resistances of 146 tetracycline-resistant E. coli isolates in different phylogenetic groups to other antimicrobials
| Phylogenetic group | No. (%) of strains showing antimicrobial resistancea |
||||||
|---|---|---|---|---|---|---|---|
| AMP | GN | STR | C | SXT | NA | CIP | |
| Total | 66 (45.3) | 8 (5.5) | 120 (82.2) | 42 (28.8) | 37 (25.3) | 48 (32.8) | 15 (10.3) |
| A | 14 (9.6) | 3 (2.1) | 15 (10.3) | 7 (4.8) | 7 (4.8) | 6 (4.1) | 5 (3.4) |
| B1 | 43 (29.5) | 4 (2.7) | 75 (51.4) | 33 (22.6) | 26 (17.8) | 24 (16.4) | 10 (6.8) |
| B2 | 5 (3.4) | ||||||
| D | 9 (6.2) | 1 (0.7) | 25 (17.1) | 2 (1.4) | 4 (2.7) | 18 (12.3) | |
a
AMP, ampicillin; GN, gentamicin; STR, streptomycin; C, chloramphenicol; SXT, sulfamethoxazole-trimethoprim; NA, nalidixic acid; CIP, ciprofloxacin.