TABLE 2.

Antibiotics susceptibility of primary strains and induced strains.

Antibiotics	MIC (μg/mL) S/I/R
	A1	A2	A3	B1	B2	B3	C1	C2	C3
Amikacin	≤2 S	≤2 S	≤2 S	≤2 S	≤2 S	≤2 S	≤2 S	≤2 S	≤2 S
Tobramycin	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	4 S	4 S	4 S
Minocycline	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R
Trimethoprim–Sulfamethoxazole	≥320 R	≥320 R	≥320 R	≥320 R	≥320 R	≥320 R	≥320 R	≥320 R	≥320 R
Cefoperazone/sulbactam	≥64 R	≥64R	≥64 R	≥64R	≥64 R	≥64R	≥64 R	≥64R	≥64 R
Levofloxacin	≥8 R	≥8 R	≥8 R	≥8 R	≥8 R	≥8 R	≥8 R	≥8 R	≥8 R
Ciprofloxacin	≥4 R	≥4 R	≥4 R	≥4 R	≥4 R	≥4 R	≥4 R	≥4 R	≥4 R
Cefepime	≥32 R	≥32R	≥32 R	≥32R	≥32 R	≥32R	≥32 R	≥32R	≥32 R
Aztreonam	≥64 R	≥64R	≥64 R	≥64R	≥64 R	≥64R	≥64 R	≥64R	≥64 R
Piperacillin–Tazobactam	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R
Ceftazidime	≥64 R	≥64R	≥64 R	≥64R	≥64 R	≥64R	32 R	32 R	32 R
Amoxicillin/clavulanic- acid	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R	≥128 R
Imipenem	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R
Meropenem	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R	≥16R	≥16 R
Polymyxin B*	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S	≤0.5 S
Tigecycline*	0.5 S	16 R	32 R	0.5 S	16 R	32 R	0.5 S	16 S	32 R

MIC, minimal inhibitory concentration; S, sensitive; I, intermediary; R, resistance; *: tigecycline and polymyxin B antibiotic susceptibility were determined by micro-broth dilution method.