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Table 1 Antimicrobial sensitivity of Mycobacterium houstonense

From: Surgical wound infection following open humeral fracture caused by Mycobacterium houstonense: a case report

Antibacterial drugs MIC (ug/ml) Breakpoints(μg/mL) Results
Susceptible Intermediate Resistant
trimethoprim sulfamethoxazole 4/76 ≤2/38 ≥4/76 resistant
ciprofloxacin 1 ≤1 2 ≥4 sensitive
moxifloxacin ≤0.25 ≤1 2 ≥4 sensitive
cefoxitin ≥128 ≤16 32–64 ≥128 resistant
amikacin 4 ≤16 32 ≥64 sensitive
doxycycline ≥16 ≤1 2–4 ≥8 resistant
tegafycline 0.12
linezolid 32 ≤8 16 ≥32 resistant
imipenem 32 ≤4 8–16 ≥32 resistant
cefepime ≥32
amoxicillin-clavulanate 32/16
cefatriaxone ≥64
minocycline 4
tobramycin 8 ≤2 4 ≥8 resistant
clarithromycin ≥16 ≤2 4 ≥8 resistant
  1. Note: - No Breakpoint in CLSI M24-A2