Table 2.
Resistance pattern of ESBL, MBL and AmpC producing isolates
| Antibiotics | ESBL (n = 48) | MBL (n = 30) | Amp C (n = 18) |
|---|---|---|---|
| No. of resistant isolates (%) | No. of resistant isolates (%) | No. of resistant isolates (%) | |
| Ampicillin | 44 (91.7) | 24 (80.0) | 18 (100) |
| Ampicillin-sulbactam | 44 (91.7) | 24 (80.0) | 18 (100) |
| Cefazolin | 48 (100) | 28 (93.3) | 16 (88.9) |
| Ceftazidime | 48 (100) | 30 (100) | 18 (100) |
| Ceftriaxone | 48 (100) | 24 (80.0) | 12 (66.7) |
| Cefepime | 36 (75.0) | 16 (53.3) | 0 (0) |
| Cefoxitin | 34 (70.8) | 26 (86.7) | 18 (100) |
| Piperacillin-tazobactam | 22 (45.8) | 18 (60.0) | 12 (66.7) |
| Ticarcillin-clavulanic acid | 44 (91.7) | 22 (73.3) | 16 (88.9) |
| Amoxicillin-clavulanic acid | 48 (100) | 30 (80.0) | 18 (100) |
| Aztreonam | 48 (100) | 22 (73.3) | 12 (66.7) |
| Imipenem | 2 (4.2) | 14 (46.7) | 4 (22.2) |
| Meropenem | 32 (66.7) | 22 (73.3) | 12 (66.7) |
| Gentamicin | 14 (29.2) | 18 (60.0) | 6 (33.3) |
| Amikacin | 2 (4.2) | 16 (53.3) | 4 (22.2) |
| Tobramicin | 16 (33.3) | 16 (53.3) | 6 (33.3) |
| Ciprofloxacin | 46 (95.8) | 28 (93.3) | 18 (100) |
| Ofloxacin | 40 (83.3) | 24 (80.0) | 14 (77.8) |
| Cotrimoxazole | 40 (83.3) | 24 (80.0) | 12 (66.7) |
| Chloramphenicol | 6 (12.5) | 14 (46.7) | 4 (22.2) |
| Colistin | 0 (0) | 0 (0) | 0 (0) |