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Table 1 Clinical and Laboratory Standards Institute Performance Standards for dilution antimicrobial susceptibility tests

From: Fluoroquinolone resistance of Staphylococcus epidermidis isolated from healthy conjunctiva and analysis of their mutations in quinolone-resistance determining region

Antimicrobial agent

MIC (μg/mL) interpretive standard

Susceptible

Intermediate

Resistant

Ciprofloxacin

≤ 1

2

≥ 4

Levofloxacin

≤ 1

2

≥ 4

Moxifloxacin

≤ 0.5

1

≥ 2

  1. MIC minimal inhibitory concentration