Table 2.
Association between antibiotic resistance and integron existence in MDR isolates.
| Association of resistance with integron | No. (%) of total resistant isolates | No. (%) of resistant isolates with intI2 genes | No. (%) of resistant isolates with intI1 genes | No. (%) of resistant isolates with int. genes | Antibiotics |
|---|---|---|---|---|---|
| Gentamicin | 10 (8.4) | 7 (5.9) | 3 (2.5) | 47 (39.8) | P= 0.01* |
| Tetracycline | 29 (27) | 24 (20.3) | 5 (4.2) | 101 (85.6) | P= 0.47 |
| Ceftazidime | 19 (16.1) | 15 (12.7) | 4 (3.4) | 65 (55.1) | P= 0.84 |
| Cotrimoxazole | 26 (22) | 21 (17.8) | 6 (5.1) | 97 (82.2) | P= 0.86 |
| Imipenem | 1 (0.8) | 0 (0) | 1 (0.8) | 1 (0.8) | P= 0.10 |
| Ciprofloxacin | 15 (12.7) | 12 (17.8) | 3 (2.5) | 67 (56.8) | P= 0.18 |
| Norfloxacin | 16 (13.5) | 12 (17.8) | 4 (3.4) | 70 (59.3) | P= 0.20 |
| Cephalothin | 28 (24) | 23 (19.5) | 7 (5.9) | 102 (86.4) | P= 0.21 |
| Amikacin | 7 (5.9) | 6 (5) | 1 (0.8) | 17 (14.4) | P= 0.02* |
| Amoxicillin | 32 (27.1) | 26 (22) | 6 (5.1) | 117 (99.2) | P= 0.54 |
| Nitrofurantoin | 5 (4.2) | 4 (3.4) | 1 (0.8) | 17 (14.4) | P= 0.83 |
| Chloramphenicol | 5 (4.2) | 2 (1.6) | 3 (2.5) | 30 (25.4) | P = 0.02* |
| Nalidixic acid | 22 (18.6) | 17 (14.4) | 5 (4.2) | 83 (70.3) | P= 0.49 |
*
significant values