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Table 6 Susceptibility of SGM other than MAC and Mycobacterium kansasii to antimicrobial agents determined by the broth dilution method

From: Nontuberculous mycobacteria in China: incidence and antimicrobial resistance spectrum from a nationwide survey

Grouping/species SGM other than MAC and M. kansasii (n = 50)
Antimicrobial agent Broth dilution ranges (μg/ml) MIC50 MIC90 Susceptible Intermediate Resistant S (%) I (%) R (%)
Antimicrobial agents and susceptibility breakpoints (MICs) for testing SGM other than MAC and M. kansasiia
 Amikacin 1‒64 4 32 ≤ 16 32 ≥ 64 86 6 8
 Ciprofloxacin 0.12‒16 4 > 16 ≤ 1 2 ≥ 4 12 24 64
 Clarithromycin 0.06‒64 0.5 4 ≤ 8 16 ≥ 32 94 0 6
 Doxycycline 0.12‒16 > 16 > 16 ≤ 1 2‒4 ≥ 8 8 10 82
 Linezolid 1‒64 8 64 ≤ 8 16 ≥ 32 58 4 38
 Moxifloxacin 0.12‒8 2 > 8 ≤ 1 2 ≥ 4 50 24 26
 Rifampicin 0.12‒8 2 > 8 ≤ 2 - ≥ 4 56 - 44
 Rifabutin 0.25‒8 0.5 1 ≤ 1 - ≥ 2 96 - 4
 TMP‒SMX 0.12/2.38‒8/152 2 > 8 ≤ 2/38 - ≥ 4/76 46 - 54
  1. SGM slow growing mycobacteria, MAC Mycobacterium avium‒intracellulare complex, CLSI Clinical and Laboratory Standards Institute, TMP‒SMX trimethoprim-sulfamethoxazole
  2. aCLSI M24, 3rd ed., 2018 (2)