Table 2 Susceptibility testing results for isolated A. baumannii
|  | MIC Break-point | Total | ITV group | ITV + ITC group |  |
|---|---|---|---|---|---|
(mg/L) | (n = 61) | (n = 38) | (n = 23) | P | |
Antibiotic resistance (n, %) | Â | Â | Â | Â | 0.402 |
Amikacin | R ≥ 32 | 25, 40.98% | 12, 31.58% | 13, 56.52% |  |
Tigecycline | R ≥ 8 | 3, 2.92% | 2, 5.26% | 1, 4.35% |  |
Carbapenems | |||||
 Imipenem | R ≥ 8 | 60, 98.36% | 37, 97.36% | 23, 100.00% |  |
 Meropenem | R ≥ 8 | 60, 98.36% | 37, 97.36% | 23, 100.00% |  |
Cephalosporins | |||||
 Cefazolin | R ≥ 32 | 60, 98.36% | 38, 100.00% | 22, 95.65% |  |
 Ceftazidime | R ≥ 32 | 60, 98.36% | 37, 97.36% | 23, 100.00% |  |
 Cefatriaxone | R ≥ 64 | 61, 100.00% | 38, 100.00% | 23, 100.00% |  |
 Cefepime | R ≥ 32 | 60, 98.36% | 37, 97.36% | 23, 100.00% |  |
 Polymyxin B | R ≥ 4 | 0, 0.00% | 0, 0.00% | 0, 0.00% |  |