Skip to main content

Advertisement

Table 2 Antimicrobial susceptibilities and minimum inhibitory concentrations of 45 isolates of Streptococcus gallolyticus subsp. pasteurianus

From: Microbiological and clinical characteristics of Streptococcus gallolyticus subsp. pasteurianus infection in China

Antimicrobials Breakpoint by CLSI Susceptibility MIC
   S(%) I(%) R(%) MIC50 (mg/l) MIC90 (mg/l) Range (mg/l)
Penicillin 0.12/0.25–2/4 100 0 0 0.125 0.125 < 0.03–0.12
Amoxicillin 0.25/0.5–4/8 100 0 0 < 0.25 < 0.25 all < 0.25
Cefotaxime 1/2/4 100 0 0 < 0.5 < 0.5 all < 0.5
Erythromycin 0.25/0.5/1 11.1(5/45) 0 88.9(40/45) > 4 > 4 0.0625- > 4
Clindamycin 0.25/0.5/1 11.1(5/45) 0 88.9(40/45) > 4 > 4 0.0625~ > 4
Levofloxacin 2/4/8 73.3(33/45) 15.6(7/45) 11.1(5/45) 2 4 1~ > 4
Moxifloxacin 1/2/4 88.9(40/45) 2.2(1/45) 8.9(4/45) 0.5 1 ≤0.25~ > 2
Tetracycline 2/4/8 4.4(2/45) 2.2(1/45) 93.3(42/45) > 8 > 8 0.0625~ > 4
Linezolid 2 100 0 0 ≤1 2 ≤1~2
Meropenem 0.5 100 0 0 ≤0.0625 ≤0.0625 ≤0.0625
Vancomycin 1 100 0 0 ≤0.25 ≤0.25 ≤0.25–1
  1. MIC minimum inhibitory concentration, S susceptible, I intermediate, R resistant, MIC50 minimum inhibitory concentration at which 50% of isolates were inhibited, MIC90 minimum inhibitory concentration at which 90% of isolates were inhibited, MIC range range of minimum inhibitory concentration