Table 3.
Comparison of antimicrobial-resistance between ESBLs-positive and ESBLs-negative K. pneumoniae
| Antibiotics | ESBLs (+) (n = 77) | ESBLs (-) (n = 85) | x2 | P | ||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| R (%) | I (%) | S (%) | R (%) | I (%) | S (%) | |||
| Ampicillin | 98.7 | 0.0 | 1.3 | 87.0 | 11.8 | 1.2 | 7.984 | 0.005 |
| Piperacillin | 97.4 | 0.0 | 2.6 | 24.7 | 15.3 | 60.0 | 88.438 | 0.000 |
| Ampicillin/sulbactam | 83.1 | 11.7 | 5.2 | 12.9 | 11.8 | 75.3 | 80.024 | 0.000 |
| Amoxycillin/clavulanic acid | 26.0 | 27.3 | 46.7 | 3.5 | 5.9 | 90.6 | 16.707 | 0.000 |
| Piperacillin/tazobactam | 23.4 | 5.2 | 71.4 | 1.2 | 1.2 | 97.6 | 19.233 | 0.000 |
| Ticarcillin/clavulanic acid | 31.2 | 32.5 | 36.4 | 3.5 | 2.4 | 94.1 | 22.222 | 0.000 |
| Cefazolin | 93.5 | 1.3 | 5.2 | 7.1 | 1.2 | 91.8 | 120.936 | 0.000 |
| Cefotaxime | 84.4 | 9.1 | 6.5 | 1.2 | 1.2 | 97.6 | 115.948 | 0.000 |
| Ceftazidime | 48.0 | 23.4 | 28.6 | 0.0 | 0.0 | 100.0 | 52.934 | 0.000 |
| Ceftriaxone | 85.7 | 5.2 | 9.1 | 1.2 | 1.2 | 97.6 | 119.050 | 0.000 |
| Cefepime | 72.7 | 15.6 | 11.7 | 1.2 | 0.0 | 98.8 | 90.696 | 0.000 |
| Cefoxitin | 35.1 | 5.2 | 59.7 | 5.9 | 1.2 | 92.9 | 21.706 | 0.000 |
| Aztreonam | 61.0 | 10.4 | 28.6 | 1.2 | 0.0 | 98.8 | 69.437 | 0.000 |
| Imipenem | 1.3 | 0.0 | 98.7 | 1.2 | 0.0 | 98.8 | 0.005 | 0.944 |
| Ciprofloxacin | 45.5 | 11.7 | 42.8 | 16.5 | 2.4 | 81.1 | 16.087 | 0.000 |
| Levofloxacin | 37.7 | 5.2 | 57.1 | 8.2 | 3.5 | 88.3 | 20.242 | 0.000 |
| Amikacin | 22.1 | 2.6 | 75.3 | 12.9 | 1.2 | 85.9 | 2.648 | 0.104 |
| Gentamycin | 59.7 | 2.6 | 37.7 | 17.6 | 1.2 | 81.2 | 28.631 | 0.000 |
| Tobramycin | 44.2 | 14.3 | 41.5 | 10.6 | 1.2 | 88.2 | 23.348 | 0.000 |
| Sulphamethoxazole/trimethoprim | 68.8 | 0.0 | 31.2 | 21.2 | 1.2 | 77.6 | 37.268 | 0.000 |
P = comparison of Klebsiella pneumoniae between ESBLs (+) and ESBLs (-).