Table 3.
Relatitionship of class I integron and antibiotic resistance among 46 MDR Citrobacter isolates.
| Antibiotics | Integron-positive isolates | Integron-negative isolates | p value | ||||
|---|---|---|---|---|---|---|---|
| R (%) | S (%) | I (%) | R (%) | S (%) | I (%) | ||
| Aztreonam | 15 (32.6) | 14 (30.4) | 1 (2.2) | 4 (8.7) | 11 (23.9) | 1 (2.2) | 0.257 |
| Imipenem | 2 (4.3) | 24 (52.2) | 4 (8.7) | 0 (0) | 13 (28.3) | 3 (6.5) | 0.53 |
| Cefazolin | 26 (56.2) | 0 (0) | 4 (8.7) | 16 (34.8) | 0 (0) | 0 (0) | 0.126 |
| Ceftazidime | 14 (30.4) | 12 (26) | 4 (8.7) | 8 (17.4) | 8 (17.4) | 0 (0) | 0.302 |
| Cefpodoxime | 15 (32.6) | 10 (21.7) | 5 (10.9) | 6 (13) | 7 (15.2) | 3 (6.5) | 0.708 |
| Tazobactam-Piperacillin | 6 (13) | 17 (36.9) | 7 (15.2) | 0 (0) | 12 (26) | 4 (8.7) | 0.152 |
| Gentamicin | 6 (13) | 24 (52.2) | 0 (0) | 2 (4.3) | 14 (30.4) | 0 (0) | 0.523 |
| Tobramycin | 16 (34.8) | 13 (28.3) | 1 (2.2) | 6 (13) | 9 (19.5) | 1 (2.2) | 0.573 |
| Meropenem | 3 (6.5) | 25 (54.3) | 2 (4.3) | 0 (0) | 14 (30.4) | 2 (4.3) | 0.362 |
| Ciprofloxacin | 15 (32.6) | 13 (28.3) | 2 (4.3) | 0 (0) | 15 (32.6) | 1 (2.2) | 0.002* |
| Ertapenem | 2 (4.3) | 22 (47.8) | 6 (13) | 1 (2.2) | 13 (28.3) | 2 (4.3) | 0.808 |
| Cotrimoxazole | 22 (47.8) | 6 (13) | 2 (4.3) | 6 (13) | 9 (19.5) | 1 (2.2) | 0.041* |
| Cefotaxime | 18 (39.1) | 9 (19.5) | 3 (6.5) | 6 (13) | 9 (19.5) | 1 (2.2) | 0.221 |
| Ampicillin | 29 (63) | 0 (0) | 1 (2.2) | 15 (32.6) | 1 (2.2) | 0 (0) | 0.299 |
| Ceftriaxone | 18 (39.1) | 10 (21.7) | 2 (4.3) | 4 (8.7) | 10 (21.7) | 2 (4.3) | 0.077 |
| Streptomycin | 23 (50) | 7 (15.2) | 0 (0) | 5 (10.9) | 11 (23.9) | 0 (0) | 0.004* |