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. 2021 Sep 17;65(10):e00759-21. doi: 10.1128/AAC.00759-21

TABLE 1.

MIC range values by year of isolationa

Yr of isolation PEN (μg/ml) CIP (μg/ml) SPT (μg/ml) TET (μg/ml) AZM (μg/ml) CFM (μg/ml) CRO (μg/ml)
2013 (n = 15)
    MIC range <0.016–>256 <0.002–2 2–32 0.032–32 0.023–0.38 <0.016 <0.002–0.002
    MIC50 0.047 0.002 16 12 0.094 <0.016 <0.002
    MIC90 16 0.064 24 24 0.38 <0.016 0.002
2014 (n = 24)
    MIC range 0.023–>256 <0.002–4 2–24 0.038–48 0.016–0.25 <0.016 <0.002–0.003
    MIC50 0.125 0.032 12 16 0.094 <0.016 <0.002
    MIC90 >256 3 16 32 0.25 <0.016 0.002
2015 (n = 13)
    MIC range 0.016–>256 0.19–2 2–12 6–24 0.016–0.38 <0.016 <0.002
    MIC50 32 0.75 6 12 0.064 <0.016 <0.002
    MIC90 >256 2 12 24 0.38 <0.016 <0.002
2016 (n = 9)
    MIC range 0.064–>256 <0.002–2 3–32 0.75–32 0.023–0.25 <0.016 <0.002–0.003
    MIC50 0.125 0.75 12 12 0.064 <0.016 <0.002
    MIC90 >256 1.5 32 16 0.25 <0.016 <0.002
a

PEN, penicillin; CIP, ciprofloxacin; SPT, spectinomycin; TET, tetracycline; AZM, azithromycin; CFM, cefixime; CRO, ceftriaxone.