Table 4 Comparison of antibiotic resistance of H. influenzae isolates between β-lactamase positive and negative groups.
Antibiotics | No. (%) of resistant isolates | |
|---|---|---|
β-lactamase positive (n = 823) | β-lactamase negative (n = 163) | |
Ampicillin | 822 (99.9) | 25 (15.3) **** |
Amoxicillin-clavulanate | 164 (19.9) | 25 (15.3) |
Cefaclor | 347 (42.2) | 25 (15.3) **** |
Cefuroxime | 340 (41.3) | 25 (15.3) **** |
Cefotaxime | 0 (0.0) | 0 (0.0) |
Rifampicin | 1 (0.1) | 0 (0.0) |
Ofloxacin | 2 (0.2) | 0 (0.0) |
Tetracycline | 60 (7.3) | 2 (1.2) ** |
Chloramphenicol | 61 (7.4) | 0 (0.0) **** |
Trimethoprim-sulfamethoxazole | 578 (70.2) | 87 (53.4) **** |
MDR isolates | 354 (43.0) | 25 (15.3) **** |